{"id":197068,"date":"2023-12-26T16:54:13","date_gmt":"2023-12-26T15:54:13","guid":{"rendered":"https:\/\/groupe-reussite.fr\/ressources\/?page_id=197068"},"modified":"2026-03-31T09:40:30","modified_gmt":"2026-03-31T08:40:30","slug":"cp-physique-chimie-explications-concepts-college","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cp-physique-chimie-explications-concepts-college\/","title":{"rendered":"Les explications simples des concepts complexes de physique-chimie au coll\u00e8ge"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"197068\" class=\"elementor elementor-197068\">\n\t\t\t\t\n\t\t<script type=\"text\/javascript\">\n\t\t\tjQuery(document).ready(function() {\n\n\t\t\t\tjQuery(\".elementor-element-6fe69c56\").prepend('<div class=\"aepro-section-bs\"><div class=\"aepro-section-bs-inner\"><\/div><\/div>');\n\t\t\t\tvar bgimage = '';\n\t\t\t\tif ('yes' == 'yes') {\n\n\t\t\t\t\t\/\/if(bgimage == ''){\n\t\t\t\t\t\/\/    var bgoverlay = '';\n\t\t\t\t\t\/\/}else{\n\t\t\t\t\tvar bgoverlay = 'https:\/\/groupe-reussite.fr\/ressources\/wp-content\/plugins\/anywhere-elementor-pro\/includes\/assets\/lib\/vegas\/overlays\/00.png';\n\t\t\t\t\t\/\/ }\n\t\t\t\t} else {\n\t\t\t\t\tif ('') {\n\t\t\t\t\t\tvar bgoverlay = 'https:\/\/groupe-reussite.fr\/ressources\/wp-content\/plugins\/anywhere-elementor-pro\/includes\/assets\/lib\/vegas\/overlays\/.png';\n\t\t\t\t\t} else {\n\t\t\t\t\t\tvar bgoverlay = 'https:\/\/groupe-reussite.fr\/ressources\/wp-content\/plugins\/anywhere-elementor-pro\/includes\/assets\/lib\/vegas\/overlays\/00.png';\n\t\t\t\t\t}\n\t\t\t\t}\n\n\n\t\t\t\tjQuery(\".elementor-element-6fe69c56\").children('.aepro-section-bs').children('.aepro-section-bs-inner').vegas({\n\t\t\t\t\tslides: [{\"src\":\"https:\\\/\\\/groupe-reussite.fr\\\/ressources\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/stage-maths-sup-spe-banniere-3.jpg\"}],\n\t\t\t\t\ttransition: 'fade',\n\t\t\t\t\tanimation: 'kenburns',\n\t\t\t\t\toverlay: bgoverlay,\n\t\t\t\t\tcover: true,\n\t\t\t\t\tdelay: 5000,\n\t\t\t\t\ttimer: true\t\t\t\t});\n\t\t\t\tif ('yes' == 'yes') {\n\t\t\t\t\tjQuery(\".elementor-element-6fe69c56\").children('.aepro-section-bs').children('.aepro-section-bs-inner').children('.vegas-overlay').css('background-image', '');\n\t\t\t\t}\n\t\t\t});\n\t\t<\/script>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-6fe69c56 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"6fe69c56\" data-element_type=\"section\" data-e-type=\"section\" id=\"header_height\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-75db7b60 ae-bg-gallery-type-default\" data-id=\"75db7b60\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-711e6392 elementor-widget elementor-widget-heading\" data-id=\"711e6392\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Explications simples de concepts de physique chimie au coll\u00e8ge<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a6c4711 elementor-widget elementor-widget-heading\" data-id=\"3a6c4711\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comprendre les notions complexes de la physique chimie au coll\u00e8ge<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c4686c elementor-widget elementor-widget-text-editor\" data-id=\"0c4686c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\t\t<div data-elementor-type=\"section\" data-elementor-id=\"196651\" class=\"elementor elementor-196651\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-4aeb945e elementor-section-content-bottom elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"4aeb945e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-d12ba11 ae-bg-gallery-type-default\" data-id=\"d12ba11\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-31d66523 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"31d66523\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md elementor-animation-grow\" href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-bookmark\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Chercher des professeurs particuliers de physique chimie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/p><div id=\"gtx-trans\"><div class=\"gtx-trans-icon\">\u00a0<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-2305ac68 elementor-section-full_width sticky_page elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"2305ac68\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-35198305 col_height ae-bg-gallery-type-default\" data-id=\"35198305\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-2197c53 elementor-section-content-middle wrap elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"2197c53\" data-element_type=\"section\" data-e-type=\"section\" id=\"sticky_sidebar\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6fbd9567 hide_col ae-bg-gallery-type-default\" data-id=\"6fbd9567\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6991ab73 strick_col ae-bg-gallery-type-default\" data-id=\"6991ab73\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d48515d elementor-widget elementor-widget-image\" data-id=\"5d48515d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"210\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2020\/03\/cours-particuliers.jpg\" class=\"attachment-large size-large wp-image-44782\" alt=\"cours-particulier-paris\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b7cd6dc elementor-widget elementor-widget-heading\" data-id=\"3b7cd6dc\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"cat_name\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Cours particuliers<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1849402b elementor-widget elementor-widget-heading\" data-id=\"1849402b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Cours particuliers de physique chimie<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-242132dc elementor-align-center elementor-widget elementor-widget-button\" data-id=\"242132dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">r\u00e9server un cours particulier en physique-chimie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db0b061 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"db0b061\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ  NOUS<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-12987e37 section_width ae-bg-gallery-type-default\" data-id=\"12987e37\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-1e473da0 elementor-section-content-middle full_width elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"1e473da0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-240e788 ae-bg-gallery-type-default\" data-id=\"240e788\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-317fa871 elementor-widget elementor-widget-text-editor\" data-id=\"317fa871\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cp-physique-chimie-college\/\">notions \u00e9tudi\u00e9es en physique chimie tout au long du coll\u00e8ge<\/a> peuvent \u00eatre difficiles \u00e0 comprendre ou \u00e0 d\u00e9finir. Or, lorsque vous savez comment d\u00e9finir ou expliquer un concept en physique chimie, vous aurez effectuer la majorit\u00e9 du travail de compr\u00e9hension. Pour vous entrainer et r\u00e9ellement savoir si vous maitrisez une notion, n&rsquo;h\u00e9sitez pas \u00e0 l&rsquo;expliquer avec vos propres mots \u00e0 votre entourage. Cela vous obligera \u00e0 formuler votre pens\u00e9e et \u00e0 savoir si votre compr\u00e9hension est claire et limpide.<\/p><p>Lire aussi : <a class=\"waffle-rich-text-link\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cp-physique-chimie-experiences-college\/\">Exp\u00e9riences amusantes \u00e0 r\u00e9aliser pour comprendre les notions de physique-chimie au coll\u00e8ge<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66065a1 elementor-widget elementor-widget-text-editor\" data-id=\"66065a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Concepts de sciences physiques expliqu\u00e9s simplement au coll\u00e8ge<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f9138af elementor-widget elementor-widget-text-editor\" data-id=\"3f9138af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Voici quelques d\u00e9finitions et explications simplifi\u00e9es des notions les plus importantes en <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/paris\/\">cours de physique chimie<\/a> au coll\u00e8ge :<\/p><ul><li>Gravit\u00e9 : c\u2019est une force invisible qui attire tout vers le bas. C&rsquo;est ce qui fait que les objets tombent quand on les l\u00e2che<\/li><li>Force : c&rsquo;est ce qui peut faire bouger un objet. En poussant ou tirant un objet, tu appliques de la force sur cet objet<\/li><li>Mouvement : il s\u2019agit du d\u00e9placement d\u2019un objet. Le mouvement d\u2019un objet est d\u00e9fini par sa trajectoire (rectiligne, circulaire, quelconque) et sa vitesse v<\/li><li>Vitesse : il s\u2019agit de la vitesse \u00e0 laquelle un objet se d\u00e9place. Elle peut \u00eatre mesur\u00e9e en divisant la distance par le temps. Si la vitesse augmente, il s\u2019agit d\u2019une vitesse acc\u00e9l\u00e9r\u00e9e, si la vitesse diminue, il s\u2019agit d\u2019une vitesse ralentie<\/li><li>Poids : il s\u2019agit de la force de gravitation exerc\u00e9e par la Terre sur un objet<\/li><li>Masse repr\u00e9sente la quantit\u00e9 de mati\u00e8re d&rsquo;une substance ou d&rsquo;un objet<\/li><li>\u00c9nergie : il s\u2019agit de la capacit\u00e9 \u00e0 effectuer des transformations ou des mouvements<\/li><li>Travail : le travail d\u2019une force est lorsqu\u2019on applique une force pour d\u00e9placer quelque chose sur une certaine distance<\/li><li>Puissance : la rapidit\u00e9 avec laquelle le travail est effectu\u00e9<\/li><li>Pression : force appliqu\u00e9e sur une surface<\/li><li>\u00c9lectricit\u00e9 : il s\u2019agit d\u2019un flux de petits morceaux appel\u00e9s \u00e9lectrons le long d&rsquo;un fil<\/li><li>Son : c\u2019est la vibration de l&rsquo;air qui atteint nos oreilles. Des vibrations rapides rendent le son aigu. Des vibrations lentes rendent le son grave<\/li><li>Onde : c\u2019est la propagation d&rsquo;une perturbation qui produit sur son passage une variation r\u00e9versible des propri\u00e9t\u00e9s locales du milieu dans lequel elle se propage. Par exemple, lorsqu&rsquo;on pince une corde de guitare, on peut la voir vibrer. Il s\u2019agit d\u2019une perception visuelle d\u2019une onde.<\/li><\/ul><p>Lire aussi :<\/p><ul><li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cp-physique-chimie-ressources-en-ligne-college\/\">Meilleurs sites de ressources en physique chimie au coll\u00e8ge<\/a><\/li><li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cp-physique-chimie-meilleurs-sites-college\/\">Meilleurs sites pour trouver un prof particulier au coll\u00e8ge en physique chimie<\/a><\/li><\/ul><p><img decoding=\"async\" class=\"size-full wp-image-197070 aligncenter\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/12\/explications-concepts-physique-chimie-college.jpg\" alt=\"explications concepts physique chimie college\" width=\"639\" height=\"360\" srcset=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/12\/explications-concepts-physique-chimie-college.jpg 639w, https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/12\/explications-concepts-physique-chimie-college-300x169.jpg 300w\" sizes=\"(max-width: 639px) 100vw, 639px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98c270d elementor-widget elementor-widget-text-editor\" data-id=\"98c270d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Concepts chimiques et leurs explications simplifi\u00e9es au coll\u00e8ge<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce659ed elementor-widget elementor-widget-text-editor\" data-id=\"ce659ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les concepts chimiques au coll\u00e8ge sont assez complexes, comme ceux de <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/lyon\/\">cours de physique chimie<\/a>. Voici quelques explications et d\u00e9finitions des <strong>notions chimiques vues au coll\u00e8ge<\/strong> :<\/p><ul><li>Atomes : les atomes sont constitu\u00e9s d&rsquo;un noyau autour duquel bougent des \u00e9lectrons. L\u2019atome a une structure lacunaire (constitu\u00e9e de vide), il est \u00e9lectriquement neutre : autant de protons (positifs) que d\u2019\u00e9lectrons (n\u00e9gatifs)<\/li><li>Les \u00e9lectrons sont des particules \u00e9l\u00e9mentaires de charge \u00e9lectrique n\u00e9gative qui gravitent autour du noyau de l&rsquo;atome<\/li><li>Mol\u00e9cules : les mol\u00e9cules sont des groupes d&rsquo;atomes qui se tiennent ensemble<\/li><li>Esp\u00e8ces chimiques : ce sont des ensembles de particules identiques (ensemble d\u2019atomes, de mol\u00e9cules ou d\u2019ions)<\/li><li>Ions : il s\u2019agit d\u2019un atome, ou d\u2019un groupe d&rsquo;atomes, ayant perdu ou gagn\u00e9 un ou plusieurs \u00e9lectrons et il poss\u00e8de une charge \u00e9lectrique. Lorsqu\u2019un atome perd un ou plusieurs \u00e9lectrons, il se charge positivement et forme un cation (ex : Cu2+). Lorsqu\u2019un atome gagne un ou plusieurs \u00e9lectrons, il se charge n\u00e9gativement et forme u n anion (ex : Cl\u2013 )<\/li><li>R\u00e9action chimique : il s\u2019agit du r\u00e9sultat obtenu (produit) apr\u00e8s avoir m\u00e9lang\u00e9 certains ingr\u00e9dients (substances, r\u00e9actifs)<\/li><li>pH : le pH d\u2019une solution permet de mesurer l\u2019acidit\u00e9 d\u2019un produit ou d\u2019une solution. Dans une solution acide (jusqu\u2019\u00e0 0), les ions H+ sont majoritaires, alors que dans une solution basique (jusqu\u2019\u00e0 un pH de 14), les ions HO- sont majoritaires. Quant au pH 7, il repr\u00e9sente une solution neutre<\/li><li>\u00c9tats de la Mati\u00e8re : la mati\u00e8re se retrouve sous trois \u00e9tats seulement :<ul><li>\u00c9tat solide a une forme propre et peut \u00eatre saisi (ex : un gla\u00e7on)<\/li><li>\u00c9tat liquide n\u2019a pas de forme et se met \u00e0 l\u2019horizontal (ex : un verre d\u2019eau)<\/li><li>\u00c9tat gazeux est souvent invisible et occupe tout l\u2019espace disponible (ex : la vapeur d\u2019eau)<\/li><\/ul><\/li><li>Transformation de la mati\u00e8re : les mati\u00e8res peuvent se transformer en passant d\u2019un \u00e9tat \u00e0 l\u2019autre. Ainsi, une fusion est lorsqu\u2019un solide devient liquide, une solidification est lorsqu\u2019un liquide devient liquide, la vaporisation est lorsqu\u2019un liquide devient gaz, et la liqu\u00e9faction est lorsqu\u2019un gaz devient liquide<\/li><li>Miscibilit\u00e9 : il s\u2019agit du parfait m\u00e9lange de deux liquides (ex : l\u2019eau et l\u2019alcool sont miscibles)<\/li><li>Solubilit\u00e9 : il s\u2019agit de la capacit\u00e9 d\u2019un solide ou d\u2019un gaz \u00e0 se dissoudre dans un liquide (ex : la solubilit\u00e9 du sel dans l\u2019eau)<\/li><li>Combustion : c\u2019est quand quelque chose br\u00fble. Pour que quelque chose br\u00fble, il faut un combustible (bois, papier), de l\u2019oxyg\u00e8ne et une source de chaleur<\/li><li>Solution : c\u2019est un m\u00e9lange homog\u00e8ne (constitu\u00e9 d&rsquo;une seule phase) r\u00e9sultant de la dissolution d&rsquo;un ou plusieurs solut\u00e9(s) (esp\u00e8ce chimique dissoute) dans un solvant.<\/li><\/ul><div>Pour aller plus loin, n&rsquo;h\u00e9sitez pas \u00e0 consulter les profils de <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/chimie\/tous-niveaux\/france\/\">professeurs particuliers de chimie<\/a> sur la plateforme Groupe R\u00e9ussite. Ces enseignants se d\u00e9placent \u00e0 domicile et vous permettent de gagner en compr\u00e9hension, en autonomie et de r\u00e9ussir vos \u00e9tudes selon vos ambitions et vos souhaits.<\/div><div>\u00a0<\/div><div>Lire aussi : <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cp-physique-chimie-reussir-brevet\/\">R\u00e9ussir l&rsquo;\u00e9preuve de sciences au brevet<\/a>.<\/div><div>\u00a0<\/div><div>\t\t<div data-elementor-type=\"section\" data-elementor-id=\"186619\" class=\"elementor elementor-186619\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-66994129 elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"66994129\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-19c629d2 ae-bg-gallery-type-default\" data-id=\"19c629d2\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c08398d elementor-widget elementor-widget-heading\" data-id=\"c08398d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS DE PHYSIQUE CHIMIE<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47ed8620 elementor-widget elementor-widget-heading\" data-id=\"47ed8620\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Gagner en autonomie avec les meilleurs profs<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53d28926 elementor-widget elementor-widget-heading\" data-id=\"53d28926\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Des cours de grande qualit\u00e9<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-687989d8 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"687989d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\" target=\"_blank\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Prof particulier physique chimie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20998bb3 elementor-widget elementor-widget-text-editor\" data-id=\"20998bb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: left\"><b>Avis Google France <\/b><span style=\"color: #e5a430\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-4be8199f ae-bg-gallery-type-default\" data-id=\"4be8199f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d44cb0 elementor-widget elementor-widget-text-editor\" data-id=\"0d44cb0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pour une meilleure compr\u00e9hension des concepts difficiles en physique chimie au coll\u00e8ge, nous vous recommandons de faire appel \u00e0 un <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\">professeur particulier en physique-chimie<\/a>. Si vos difficult\u00e9s persistent, le prof de physique chimie vous aidera \u00e0 mieux saisir ces concepts pour les appliquer dans les exercices ou <a href=\"https:\/\/groupe-reussite.fr\/ressources\/reussir-en-physique-chimie\/\">r\u00e9ussir en physique chimie<\/a> au brevet, entre autres.<\/p>\n<p>Lire aussi : <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cp-physique-chimie-devoirs-au-college\/\">Comment faire ses devoirs de physique et chimie au coll\u00e8ge ?<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Explications simples de concepts de physique chimie au coll\u00e8ge Comprendre les notions complexes de la physique chimie au coll\u00e8ge \u00a0 Cours particuliers Cours particuliers de physique chimie r\u00e9server un cours particulier en physique-chimie CONTACTEZ NOUS Les notions \u00e9tudi\u00e9es en physique chimie tout au long du coll\u00e8ge peuvent \u00eatre difficiles \u00e0 comprendre ou \u00e0 d\u00e9finir. Or, [&hellip;]<\/p>\n","protected":false},"author":81,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"ocean_post_layout":"full-screen","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"off","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"on","ocean_disable_heading":"on","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-197068","page","type-page","status-publish","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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