{"id":4815,"date":"2020-12-02T10:45:52","date_gmt":"2020-12-02T10:45:52","guid":{"rendered":"http:\/\/www.hns-re2sd.dz\/?page_id=4815"},"modified":"2020-12-05T11:17:16","modified_gmt":"2020-12-05T11:17:16","slug":"chimie-1","status":"publish","type":"page","link":"http:\/\/www.hns-re2sd.dz\/en-fr\/chimie-1\/","title":{"rendered":"Chimie 1"},"content":{"rendered":"<div data-colibri-id=\"4815-c1\" class=\"style-1438 style-local-4815-c1 position-relative\">\r\n  <!---->\r\n  <div data-colibri-component=\"section\" data-colibri-id=\"4815-c18\" id=\"reusable-sections\" class=\"h-section h-section-global-spacing d-flex align-items-lg-center align-items-md-center align-items-center style-1455 style-local-4815-c18 position-relative\">\r\n    <!---->\r\n    <!---->\r\n    <div class=\"h-section-grid-container h-section-fluid-container\">\r\n      <!---->\r\n      <div data-colibri-id=\"4815-c19\" class=\"h-row-container gutters-row-lg-3 gutters-row-md-3 gutters-row-0 gutters-row-v-lg-3 gutters-row-v-md-3 gutters-row-v-3 colibri-dynamic-list style-1456 style-local-4815-c19 position-relative\">\r\n        <!---->\r\n        <div data-colibri-component=\"masonry\" class=\"h-row justify-content-lg-start justify-content-md-start justify-content-start align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-3 gutters-col-md-3 gutters-col-0 gutters-col-v-lg-3 gutters-col-v-md-3 gutters-col-v-3 style-1456-row style-local-4815-c19-row\">\r\n          <!---->\n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-6316 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/corrige-type-de-lexamen-de-chimie-1\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/corrige-type-de-lexamen-de-chimie-1\/\" title=\"Corrig\u00e9 type de l&#8217;examen de chimie 1\">\n\t\t\t\t<img width=\"600\" height=\"400\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/Avis-all-.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/Avis-all-.jpg 600w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/Avis-all--300x200.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/Avis-all--16x12.jpg 16w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/corrige-type-de-lexamen-de-chimie-1\/\"><h4 class=\"colibri-word-wrap\">Corrig\u00e9 type de l&#8217;examen de chimie 1<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The solution of the first exam is now available and can be downloaded here: &nbsp; &nbsp;<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/03\/11\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>March 11, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/corrige-type-de-lexamen-de-chimie-1\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-6142 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/solution-td-05-chimie-1\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/solution-td-05-chimie-1\/\" title=\"Solution TD 05: Chimie 1\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/solution-td-05-chimie-1\/\"><h4 class=\"colibri-word-wrap\">Solution TD 05: Chimie 1<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The solutions of the fifth series of exercises is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/02\/16\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>February 16, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/solution-td-05-chimie-1\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-6054 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-5-chimie\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-5-chimie\/\" title=\"TD N\u00b0 5: Chimie\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-5-chimie\/\"><h4 class=\"colibri-word-wrap\">TD N\u00b0 5: Chimie<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The fifth series of exercises is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/02\/08\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>February 8, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-5-chimie\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-6052 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n04-determination-de-lacidite-dun-lait\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n04-determination-de-lacidite-dun-lait\/\" title=\"TP n\u00b004 : D\u00e9termination de l\u2019acidit\u00e9 d\u2019un lait\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n04-determination-de-lacidite-dun-lait\/\"><h4 class=\"colibri-word-wrap\">TP n\u00b004 : D\u00e9termination de l\u2019acidit\u00e9 d\u2019un lait<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The fourth series of TP is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/02\/08\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>February 8, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n04-determination-de-lacidite-dun-lait\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-6050 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-4-chimie\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-4-chimie\/\" title=\"TD N\u00b0 4: Chimie\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-4-chimie\/\"><h4 class=\"colibri-word-wrap\">TD N\u00b0 4: Chimie<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The fourth series of exercises is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/02\/08\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>February 8, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-4-chimie\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-6048 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-4-structure-electronique-de-la-molecule-%e2%88%92-liaison-chimique\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-4-structure-electronique-de-la-molecule-%e2%88%92-liaison-chimique\/\" title=\"Chapitre 4 : Structure \u00e9lectronique de la mol\u00e9cule \u2212 liaison chimique\">\n\t\t\t\t<img width=\"1200\" height=\"675\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course.jpg 1200w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-300x169.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-1024x576.jpg 1024w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-768x432.jpg 768w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-16x9.jpg 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-4-structure-electronique-de-la-molecule-%e2%88%92-liaison-chimique\/\"><h4 class=\"colibri-word-wrap\">Chapitre 4 : Structure \u00e9lectronique de la mol\u00e9cule \u2212 liaison chimique<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The course is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/02\/08\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>February 8, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-4-structure-electronique-de-la-molecule-%e2%88%92-liaison-chimique\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-5892 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n-03-dosage-du-vinaigre-lacide-acetique-ou-ethanoique\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n-03-dosage-du-vinaigre-lacide-acetique-ou-ethanoique\/\" title=\"TP N\u00b0 03: Dosage du vinaigre (l\u2019acide ac\u00e9tique ou \u00e9thano\u00efque)\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n-03-dosage-du-vinaigre-lacide-acetique-ou-ethanoique\/\"><h4 class=\"colibri-word-wrap\">TP N\u00b0 03: Dosage du vinaigre (l\u2019acide ac\u00e9tique ou \u00e9thano\u00efque)<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The first series of TP is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/01\/22\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>January 22, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n-03-dosage-du-vinaigre-lacide-acetique-ou-ethanoique\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-5889 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-3-chimie\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-3-chimie\/\" title=\"TD N\u00b0 3: Chimie\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-3-chimie\/\"><h4 class=\"colibri-word-wrap\">TD N\u00b0 3: Chimie<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The third series of exercises is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/01\/22\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>January 22, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-3-chimie\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-5748 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n02-preparation-des-solutions\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n02-preparation-des-solutions\/\" title=\"TP n\u00b002 : Pr\u00e9paration des solutions\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n02-preparation-des-solutions\/\"><h4 class=\"colibri-word-wrap\">TP n\u00b002 : Pr\u00e9paration des solutions<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The second series of TP is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/01\/08\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>January 8, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n02-preparation-des-solutions\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-5745 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n-01-securite-au-laboratoire-materiels-utilises-au-laboratoire\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n-01-securite-au-laboratoire-materiels-utilises-au-laboratoire\/\" title=\"TP n\u00b0 01 : S\u00e9curit\u00e9 au laboratoire &#038; Mat\u00e9riels utilis\u00e9s au laboratoire\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2021\/01\/TP-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n-01-securite-au-laboratoire-materiels-utilises-au-laboratoire\/\"><h4 class=\"colibri-word-wrap\">TP n\u00b0 01 : S\u00e9curit\u00e9 au laboratoire &#038; Mat\u00e9riels utilis\u00e9s au laboratoire<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The first series of TP is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/01\/08\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>January 8, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/tp-n-01-securite-au-laboratoire-materiels-utilises-au-laboratoire\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-5741 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-2-chimie-1\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-2-chimie-1\/\" title=\"TD N\u00b0 2: CHIMIE 1\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-2-chimie-1\/\"><h4 class=\"colibri-word-wrap\">TD N\u00b0 2: CHIMIE 1<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The second series of exercises is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/01\/06\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>January 6, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-2-chimie-1\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-5693 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-1-chimie-1\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-1-chimie-1\/\" title=\"TD N\u00b0 1: CHIMIE 1\">\n\t\t\t\t<img width=\"715\" height=\"324\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1.jpg 715w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-300x136.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/TD-1-16x7.jpg 16w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-1-chimie-1\/\"><h4 class=\"colibri-word-wrap\">TD N\u00b0 1: CHIMIE 1<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The first series of exercises is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/01\/03\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>January 3, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/td-n-1-chimie-1\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-5690 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-3-structure-electronique-de-latome\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-3-structure-electronique-de-latome\/\" title=\"Chapitre 3 : Structure \u00e9lectronique de l\u2019atome\">\n\t\t\t\t<img width=\"1200\" height=\"675\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course.jpg 1200w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-300x169.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-1024x576.jpg 1024w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-768x432.jpg 768w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-16x9.jpg 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-3-structure-electronique-de-latome\/\"><h4 class=\"colibri-word-wrap\">Chapitre 3 : Structure \u00e9lectronique de l\u2019atome<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The course is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2021\/01\/03\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>January 3, 2021<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-3-structure-electronique-de-latome\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center justify-content-md-center justify-content-center style-1468 style-local-4815-c31 position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 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data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-2-les-principaux-constituants-de-la-matiere\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-2-les-principaux-constituants-de-la-matiere\/\" title=\"Chapitre 2 : Les principaux constituants de la mati\u00e8re\">\n\t\t\t\t<img width=\"1200\" height=\"675\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course.jpg 1200w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-300x169.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-1024x576.jpg 1024w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-768x432.jpg 768w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-16x9.jpg 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-2-les-principaux-constituants-de-la-matiere\/\"><h4 class=\"colibri-word-wrap\">Chapitre 2 : Les principaux constituants de la mati\u00e8re<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The course is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2020\/12\/03\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>December 3, 2020<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex 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position-relative\"><!&#8212;-><!&#8212;-> <span >Read more<\/span> <span  class=\"h-svg-icon h-button__icon style-1468-icon style-local-4815-c31-icon\"><!&#8211;Icon by Icons8 Line Awesome (https:\/\/icons8.com\/line-awesome)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"arrow-right\" viewBox=\"0 0 512 545.5\"><path d=\"M299.5 140.5l136 136 11 11.5-11 11.5-136 136-23-23L385 304H64v-32h321L276.5 163.5z\"><\/path><\/svg><\/span><\/a><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n      \n      \n        <div    data-aos=\"bounceInDown\" class=\"h-column h-column-container d-flex h-col-lg-4 h-col-md-6 h-col-12 post-4889 post type-post status-publish format-standard has-post-thumbnail hentry category-chimie category-courses masonry-item style-1457-outer style-local-4815-c20-outer\"  ><div   data-colibri-id=\"4815-c20\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-3 v-inner-lg-2 v-inner-md-2 v-inner-3 style-1457 style-local-4815-c20 position-relative\"><!&#8212;-><!&#8212;-> <div  class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-1-generalites-sur-la-matiere\/\" data-colibri-component=\"link\"  data-colibri-id=\"4815-c21\" class=\"colibri-post-thumbnail colibri-post-has-thumbnail style-1458 style-local-4815-c21 h-overflow-hidden position-relative h-element\"  ><!&#8212;-><div   class=\"h-global-transition-all colibri-post-thumbnail-shortcode style-dynamic-4815-c21-height\">            <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-1-generalites-sur-la-matiere\/\" title=\"Chapitre 1 : G\u00e9n\u00e9ralit\u00e9s sur la mati\u00e8re\">\n\t\t\t\t<img width=\"1200\" height=\"675\" src=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course.jpg 1200w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-300x169.jpg 300w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-1024x576.jpg 1024w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-768x432.jpg 768w, http:\/\/www.hns-re2sd.dz\/wp-content\/uploads\/2020\/12\/course-16x9.jpg 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>            <\/a>\n\t\t\t<\/div> <div  class=\"colibri-post-thumbnail-content align-items-lg-center align-items-md-center align-items-center flex-basis-100\"><div  class=\"w-100 h-y-container\"><!&#8212;-> <\/div><\/div><\/div><div   data-colibri-id=\"4815-c22\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1459 style-local-4815-c22 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col-auto style-1460-outer style-local-4815-c23-outer\"  ><div  data-colibri-id=\"4815-c23\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-1460 style-local-4815-c23 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\"><!&#8212;-> <div   data-colibri-id=\"4815-c24\" class=\"h-blog-title style-1461 style-local-4815-c24 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-1-generalites-sur-la-matiere\/\"><h4 class=\"colibri-word-wrap\">Chapitre 1 : G\u00e9n\u00e9ralit\u00e9s sur la mati\u00e8re<\/h4><\/a><\/div><\/div><div   data-colibri-id=\"4815-c25\" class=\"style-1462 style-local-4815-c25 position-relative h-element\"  ><!&#8212;-><div  class=\"h-global-transition-all\"><div class=\"colibri-post-excerpt\">The course is now available and can be downloaded here:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div   data-colibri-id=\"4815-c26\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-2 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-1463 style-local-4815-c26 position-relative\"  ><!&#8212;-><div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-2 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\"><!&#8212;-> <div   class=\"h-column h-column-container d-flex h-col-lg h-col-md h-col style-1464-outer style-local-4815-c27-outer\"  ><div  data-colibri-id=\"4815-c27\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1464 style-local-4815-c27 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div   data-colibri-id=\"4815-c28\" class=\"h-blog-meta style-1465 style-local-4815-c28 position-relative h-element\"  ><!&#8212;-><!&#8212;-><div name=\"2\" class=\"metadata-item\"><span class=\"metadata-prefix\">on<\/span> <a href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/2020\/12\/03\/\"><span  class=\"h-svg-icon\"><!&#8211;Icon by Font Awesome (https:\/\/fontawesome.com)&#8211;><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"calendar\" viewBox=\"0 0 1672.2646 1896.0833\"><path d=\"M128 1664h288v-288H128v288zm352 0h320v-288H480v288zm-352-352h288V992H128v320zm352 0h320V992H480v320zM128 928h288V640H128v288zm736 736h320v-288H864v288zM480 928h320V640H480v288zm768 736h288v-288h-288v288zm-384-352h320V992H864v320zM512 448V160q0-13-9.5-22.5T480 128h-64q-13 0-22.5 9.5T384 160v288q0 13 9.5 22.5T416 480h64q13 0 22.5-9.5T512 448zm736 864h288V992h-288v320zM864 928h320V640H864v288zm384 0h288V640h-288v288zm32-480V160q0-13-9.5-22.5T1248 128h-64q-13 0-22.5 9.5T1152 160v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z\"><\/path><\/svg><\/span>December 3, 2020<\/a><\/div><!&#8212;-><!&#8212;-><\/div><\/div><\/div><\/div><div   class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-1466-outer style-local-4815-c29-outer\"  ><div  data-colibri-id=\"4815-c29\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-0 v-inner-md-0 v-inner-0 style-1466 style-local-4815-c29 position-relative\"><!&#8212;-><!&#8212;-> <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-auto align-self-lg-center align-self-md-center align-self-center\"><!&#8212;-> <div    data-colibri-id=\"4815-c30\" class=\"h-x-container style-1467 style-local-4815-c30 position-relative h-element\"  ><!&#8212;-><div   class=\"h-x-container-inner style-dynamic-4815-c30-group\"><!&#8212;-><span   class=\"h-button__outer style-1468-outer style-local-4815-c31-outer d-inline-flex h-element\"    ><a  h-use-smooth-scroll=\"true\" href=\"http:\/\/www.hns-re2sd.dz\/en-fr\/chapitre-1-generalites-sur-la-matiere\/\"  data-colibri-id=\"4815-c31\" class=\"d-flex w-100 align-items-center h-button justify-content-lg-center 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