<!DOCTYPE html><html lang='fr' class='normalFont' data-direction='ltr' data-theme='dark' data-style='1'><head><meta charset='utf-8'/><meta http-equiv='X-UA-Compatible' content='IE=edge'/><meta name='viewport' content='width=device-width,initial-scale=1'/><link rel='apple-touch-icon' sizes='180x180' href='images/icons/apple-touch-icon.png'/><link rel='icon' type='image/png' sizes='32x32' href='./favicon-32x32.png'/><link rel='icon' type='image/png' sizes='16x16' href='./favicon-16x16.png'/><link rel='manifest' href='manifest.json'/><link rel='mask-icon' href='safari-pinned-tab.svg' color='#0078d7'/><meta name='msapplication-TileColor' content='#0078d7'/><meta name='msapplication-TileImage' content='images/icons/mstile-144x144.png'/><meta name='msapplication-square70x70logo' content='images/icons/mstile-70x70.png'/><meta name='msapplication-square150x150logo' content='images/icons/mstile-150x150.png'/><meta name='msapplication-wide310x150logo' content='images/icons/mstile-310x150.png'/><meta name='msapplication-square310x310logo' content='images/icons/mstile-310x310.png'/><meta name='theme-color' content='#003c6c'/><meta name='google' content='notranslate'/><meta name='robots' content='index,follow'/><meta name='format-detection' content='telephone=no'/><meta name='mobile-web-app-capable' content='yes'/><meta name='apple-mobile-web-app-capable' content='yes'/><meta name='author' content='Naveen CS'/><meta name='twitter:card' content='summary_large_image'/><meta name='twitter:site' content='@periodictableio'/><meta property='og:site_name' content='Periodic-Table.io'/><meta property='og:type' content='website'/><meta name='keywords' content='Argon, Tableau Périodique, chemical, éléments, interactive, PWA, Propriétés, Applications, Histoire, Isotopes, Configuration électronique, Électrons par couche, name origin, images, hazards, diagram, chemistry, information' /><meta name='description' content='Argon - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.' /><meta property='og:description' content='Argon - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.' /><meta name='twitter:description' content='Argon - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.' /><meta property='og:title' content='Argon - Tableau Périodique' /><meta name='twitter:title' content='Argon - Tableau Périodique' /><title id='homeTitle'>Argon - Tableau Périodique</title><meta property='og:image' content='https://periodic-table.io/images/og-images/fr/element-18.png' /><meta name='twitter:image' content='https://periodic-table.io/images/og-images/fr/element-18.png' /><meta name='twitter:image:src' content='https://periodic-table.io/images/og-images/fr/element-18.png' /><meta property='og:url' content='https://fr.periodic-table.io/element-18' /><link rel='canonical' href='https://fr.periodic-table.io/element-18' /><link rel='alternate' hreflang='en' href='https://periodic-table.io/element-18'/><link rel='alternate' hreflang='en-gb' href='https://en-gb.periodic-table.io/element-18'/><link rel='alternate' hreflang='af' href='https://af.periodic-table.io/element-18'/><link rel='alternate' hreflang='id' href='https://id.periodic-table.io/element-18'/><link rel='alternate' hreflang='ms' href='https://ms.periodic-table.io/element-18'/><link rel='alternate' hreflang='ca' href='https://ca.periodic-table.io/element-18'/><link rel='alternate' hreflang='cs' href='https://cs.periodic-table.io/element-18'/><link rel='alternate' hreflang='da' href='https://da.periodic-table.io/element-18'/><link rel='alternate' hreflang='de' href='https://de.periodic-table.io/element-18'/><link rel='alternate' hreflang='es' href='https://es.periodic-table.io/element-18'/><link rel='alternate' hreflang='fr' href='https://fr.periodic-table.io/element-18'/><link rel='alternate' hreflang='hr' href='https://hr.periodic-table.io/element-18'/><link rel='alternate' hreflang='it' href='https://it.periodic-table.io/element-18'/><link rel='alternate' hreflang='hu' href='https://hu.periodic-table.io/element-18'/><link rel='alternate' hreflang='nl' href='https://nl.periodic-table.io/element-18'/><link rel='alternate' hreflang='nb-no' href='https://nb-no.periodic-table.io/element-18'/><link rel='alternate' hreflang='nn-no' href='https://nn-no.periodic-table.io/element-18'/><link rel='alternate' hreflang='pl' href='https://pl.periodic-table.io/element-18'/><link rel='alternate' hreflang='pt' href='https://pt.periodic-table.io/element-18'/><link rel='alternate' hreflang='ro' href='https://ro.periodic-table.io/element-18'/><link rel='alternate' hreflang='sk' href='https://sk.periodic-table.io/element-18'/><link rel='alternate' hreflang='sl' href='https://sl.periodic-table.io/element-18'/><link rel='alternate' hreflang='fi' href='https://fi.periodic-table.io/element-18'/><link rel='alternate' hreflang='sv' href='https://sv.periodic-table.io/element-18'/><link rel='alternate' hreflang='vi' href='https://vi.periodic-table.io/element-18'/><link rel='alternate' hreflang='tr' href='https://tr.periodic-table.io/element-18'/><link rel='alternate' hreflang='el' href='https://el.periodic-table.io/element-18'/><link rel='alternate' hreflang='bg' href='https://bg.periodic-table.io/element-18'/><link rel='alternate' hreflang='mk' href='https://mk.periodic-table.io/element-18'/><link rel='alternate' hreflang='ru' href='https://ru.periodic-table.io/element-18'/><link rel='alternate' hreflang='sr' href='https://sr.periodic-table.io/element-18'/><link rel='alternate' hreflang='uk' href='https://uk.periodic-table.io/element-18'/><link rel='alternate' hreflang='hy' href='https://hy.periodic-table.io/element-18'/><link rel='alternate' hreflang='he' href='https://he.periodic-table.io/element-18'/><link rel='alternate' hreflang='ar' href='https://ar.periodic-table.io/element-18'/><link rel='alternate' hreflang='fa' href='https://fa.periodic-table.io/element-18'/><link rel='alternate' hreflang='hi' href='https://hi.periodic-table.io/element-18'/><link rel='alternate' hreflang='th' href='https://th.periodic-table.io/element-18'/><link rel='alternate' hreflang='ja' href='https://ja.periodic-table.io/element-18'/><link rel='alternate' hreflang='ko' href='https://ko.periodic-table.io/element-18'/><link rel='alternate' hreflang='zh-cn' href='https://zh-cn.periodic-table.io/element-18'/><link rel='alternate' hreflang='zh-tw' href='https://zh-tw.periodic-table.io/element-18'/><link rel='stylesheet' href='css/global.css' /><script defer src='js/htmlJS.js'></script><link rel='preload' href='fonts/NotoSans.woff2' as='font' crossorigin='anonymous' /><style>@font-face {font-family: SpecialRegular; src: url(fonts/NotoSans.woff2) format('woff2'); font-display: swap;}@font-face {font-family: Regular;src: url(fonts/NotoSans.woff2) format('woff2'); font-display: swap;}</style><script type='module'>import 'https://cdn.jsdelivr.net/npm/@pwabuilder/pwaupdate';const el = document.createElement('pwa-update');document.body.appendChild(el);</script></head><body><div id='overlap' class='collapsed' onclick='sideBar()'></div><section id='sidebar' class='collapsed'><div class='settingsGrid items-center'><div class='grayText'>Langue</div><div><select id='languageSelectSetting' class='select-css' aria-label='Langue' onchange='setLanguage()'><option value='en'>English</option><option value='en-gb'>English (UK)</option><option value='af'>Afrikaans</option><option value='id'>Bahasa Indonesia</option><option value='ms'>Bahasa Melayu</option><option value='ca'>Català</option><option value='cs'>Čeština</option><option value='da'>Dansk</option><option value='de'>Deutsch</option><option value='es'>Español</option><option value='fr'>Français</option><option value='hr'>Hrvatski</option><option value='it'>Italiano</option><option value='hu'>Magyar</option><option value='nl'>Nederlands</option><option value='nb-no'>Norsk Bokmål</option><option value='nn-no'>Norsk Nynorsk</option><option value='pl'>Polski</option><option value='pt'>Português</option><option value='ro'>Română</option><option value='sk'>Slovenčina</option><option value='sl'>Slovenščina</option><option value='fi'>Suomi</option><option value='sv'>Svenska</option><option value='vi'>Tiếng Việt</option><option value='tr'>Türkçe</option><option value='el'>Ελληνικά</option><option value='bg'>Български</option><option value='mk'>Македонски</option><option value='ru'>Русский</option><option value='sr'>Српски</option><option value='uk'>Українська</option><option value='hy'>Հայերեն</option><option value='he'>עברית</option><option value='ar'>العربية</option><option value='fa'>فارسی</option><option value='hi'>हिंदी</option><option value='th'>ไทย</option><option value='ja'>日本語</option><option value='ko'>한국어</option><option value='zh-cn'>中文(简体)</option><option value='zh-tw'>中文(繁體)</option></select></div><div class='grayText self-start'>Température</div><div class='radio-toolbar radio-temp'><input type='radio' id='tempcelsius' name='temperature' value='celsius' onchange='setTemp()' /><label class='disable-select' for='tempcelsius'>Degré Celsius</label><input type='radio' id='tempfahrenheit' name='temperature' value='fahrenheit' onchange='setTemp()' /><label class='disable-select' for='tempfahrenheit'>Degré Fahrenheit</label></div><div class='grayText self-start'>Couleur</div><div class='radio-toolbar radio-color'><input type='radio' id='color1' name='tableColor' value='253, 58, 74' onchange='setColorSettings()'><label id='color1Label' class='disable-select' title='Red' for='color1'></label><input type='radio' id='color2' name='tableColor' value='245, 128, 37' onchange='setColorSettings()'><label id='color2Label' class='disable-select' title='Orange' for='color2'></label><input type='radio' id='color3' name='tableColor' value='255, 167, 0' onchange='setColorSettings()'><label id='color3Label' class='disable-select' title='Yellow' for='color3'></label><input type='radio' id='color4' name='tableColor' value='123, 113, 81' onchange='setColorSettings()'><label id='color4Label' class='disable-select' title='Brown' for='color4'></label><input type='radio' id='color5' name='tableColor' value='91, 170, 9' onchange='setColorSettings()'><label id='color5Label' class='disable-select' title='Lime' for='color5'></label><input type='radio' id='color6' name='tableColor' value='26, 152, 90' onchange='setColorSettings()'><label id='color6Label' class='disable-select' title='Green' for='color6'></label><input type='radio' id='color7' name='tableColor' value='59, 168, 221' onchange='setColorSettings()'><label id='color7Label' class='disable-select' title='Cyan' for='color7'></label><input type='radio' id='color8' name='tableColor' value='0, 120, 215' onchange='setColorSettings()'><label id='color8Label' class='disable-select' title='Blue' for='color8'></label><input type='radio' id='color9' name='tableColor' value='139, 102, 204' onchange='setColorSettings()'><label id='color9Label' class='disable-select' title='Purple' for='color9'></label><input type='radio' id='color10' name='tableColor' value='228, 27, 144' onchange='setColorSettings()'><label id='color10Label' class='disable-select' title='Pink' for='color10'></label></div><div id='settingPeriodicTable' class='span-2'>Tableau Périodique</div><div class='grayText'>Largeur du Tableau</div><div><select id='marginSetting' class='select-css' aria-label='Largeur du Tableau'><option value='1'>100%</option><option value='0.95'>95%</option><option value='0.9'>90%</option><option value='0.85'>85%</option><option value='0.8'>80%</option></select></div><div id='nameSettingLabel' class='grayText'>Nom</div><div><label class='switch'><input id='nameSelectSetting' type='checkbox' aria-labelledby='nameSettingLabel'><span class='slider round' ></span></label></div><div id='atmWtSettingLabel' class='grayText'>Masse atomique</div><div><label class='switch'><input id='atmNoSelectSetting' type='checkbox' aria-labelledby='atmWtSettingLabel'><span class='slider round' ></span></label></div><div class='grayText self-start' id='tableStyle'>Style</div><div class='radio-toolbar radio-style'><input type='radio' id='style1' name='tableStyle' value='1' onchange='setStyle()' ><label id='style1Label' class='disable-select' for='style1'></label><input type='radio' id='style2' name='tableStyle' value='2' onchange='setStyle()' ><label id='style2Label' class='disable-select' for='style2'></label><input type='radio' id='style3' name='tableStyle' value='3' onchange='setStyle()' ><label id='style3Label' class='disable-select' for='style3'></label></div></div></section><nav><a id='logo' href='.' aria-label='Home'><svg xmlns="http://www.w3.org/2000/svg" width="38" height="38" viewBox="0 0 10.054 10.054" class="periodic-table-logo" fill="#fff"><path d="M3.146 1.905a1.301 1.301 0 00-1.301 1.301 1.301 1.301 0 001.009 1.266 1.596 1.596 0 011.553-1.581 1.301 1.301 0 00-1.261-.986zm4.841 1.581a1.508 1.508 0 00-1.47 1.178l-.824-.1a.126.126 0 00-.14.11.126.126 0 00.11.14l.821.1a1.508 1.508 0 00-.004.081 1.508 1.508 0 001.508 1.508 1.508 1.508 0 001.508-1.508 1.508 1.508 0 00-1.508-1.508zm-4.331 1.69a.126.126 0 00-.078.028l-.843.683a1.301 1.301 0 00-.874-.34A1.301 1.301 0 00.56 6.848a1.301 1.301 0 001.301 1.301 1.301 1.301 0 001.301-1.301 1.301 1.301 0 00-.257-.774l.832-.674a.126.126 0 00.019-.177.126.126 0 00-.099-.047z"/><path d="M4.45 2.978a1.508 1.508 0 00-1.508 1.508 1.508 1.508 0 00.297.895l.292-.237a.201.201 0 01.283.03.201.201 0 01-.03.283l-.265.215a1.508 1.508 0 00.931.322 1.508 1.508 0 001.444-1.077l-.241-.029a.201.201 0 01-.175-.224.201.201 0 01.224-.175l.255.031a1.508 1.508 0 00.002-.034 1.508 1.508 0 00-1.508-1.508z" opacity=".7"/></svg></a><h1 class='truncate'>Argon</h1><input type='checkbox' id='drop' /><ul><li><a title=Liste href='list'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><rect x='4' y='4' width='16' height='6' rx='2' /><rect x='4' y='14' width='16' height='6' rx='2' /></svg><span id='listLink'>Liste</span></a></li><li><a title=Comparer href='compare'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><rect x='3' y='3' width='6' height='6' rx='1' /><rect x='15' y='15' width='6' height='6' rx='1' /><path d='M21 11v-3a2 2 0 0 0 -2 -2h-6l3 3m0 -6l-3 3' /><path d='M3 13v3a2 2 0 0 0 2 2h6l-3 -3m0 6l3 -3' /></svg><span id='compareLink'>Comparer</span></a></li><li><label for='drop-1' class='toggle'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><rect x='4' y='4' width='16' height='16' rx='2' /><line x1='4' y1='10' x2='20' y2='10' /><line x1='10' y1='4' x2='10' y2='20' /></svg><span>Tableaux</span> <svg xmlns='http://www.w3.org/2000/svg' width='1.2em' height='1.2em' viewBox='5 5 15 15' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9' /></svg></label><a id='tablesLink'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><rect x='4' y='4' width='16' height='16' rx='2' /><line x1='4' y1='10' x2='20' y2='10' /><line x1='10' y1='4' x2='10' y2='20' /></svg><span>Tableaux</span> <svg xmlns='http://www.w3.org/2000/svg' width='1.2em' height='1.2em' viewBox='5 5 15 15' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9' /></svg></a><input type='checkbox' id='drop-1' /><ul><li><a class='tablesList' href='solubility-chart'>Liste des solubilités</a></li><li><a class='tablesList' href='reactivity-series'>Série des activités</a></li></ul></li><li><a title=Imprimables href='printables'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><path d='M17 17h2a2 2 0 0 0 2 -2v-4a2 2 0 0 0 -2 -2h-14a2 2 0 0 0 -2 2v4a2 2 0 0 0 2 2h2' /><path d='M17 9v-4a2 2 0 0 0 -2 -2h-6a2 2 0 0 0 -2 2v4' /><rect x='7' y='13' width='10' height='8' rx='2' /></svg><span id='printableLink'>Imprimables</span></a></li><li><a title=Boutique href='store'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><path d='M15 4l6 2v5h-3v8a1 1 0 0 1 -1 1h-10a1 1 0 0 1 -1 -1v-8h-3v-5l6 -2a3 3 0 0 0 6 0' /></svg><span id='storeLink'>Boutique</span></a></li><li><a title=Traduction href='translation'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='1 1 22 22' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><path d='M5 7h7m-2 -2v2a5 8 0 0 1 -5 8m1 -4a7 4 0 0 0 6.7 4' /><path d='M11 19l4 -9l4 9m-.9 -2h-6.2' /></svg><span id='translateLink'>Traduction</span></a></li></ul><button onclick='sideBar()' title='Paramètres'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><path d='M10.325 4.317c.426 -1.756 2.924 -1.756 3.35 0a1.724 1.724 0 0 0 2.573 1.066c1.543 -.94 3.31 .826 2.37 2.37a1.724 1.724 0 0 0 1.065 2.572c1.756 .426 1.756 2.924 0 3.35a1.724 1.724 0 0 0 -1.066 2.573c.94 1.543 -.826 3.31 -2.37 2.37a1.724 1.724 0 0 0 -2.572 1.065c-.426 1.756 -2.924 1.756 -3.35 0a1.724 1.724 0 0 0 -2.573 -1.066c-1.543 .94 -3.31 -.826 -2.37 -2.37a1.724 1.724 0 0 0 -1.065 -2.572c-1.756 -.426 -1.756 -2.924 0 -3.35a1.724 1.724 0 0 0 1.066 -2.573c-.94 -1.543 .826 -3.31 2.37 -2.37c1 .608 2.296 .07 2.572 -1.065z' /><circle cx='12' cy='12' r='3' /></svg></button><button id='themeIcon' onclick='changeTheme()' data-theme='light' title='Thème'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><circle cx='12' cy='12' r='4' /><path d='M3 12h1m8 -9v1m8 8h1m-9 8v1m-6.4 -15.4l.7 .7m12.1 -.7l-.7 .7m0 11.4l.7 .7m-12.1 -.7l-.7 .7' /></svg></button><label for='drop' onclick='toggleMenu()' class='toggle burger'><svg xmlns='http://www.w3.org/2000/svg' width='1.75em' height='1.75em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><line x1='4' y1='6' x2='20' y2='6' /><line x1='4' y1='12' x2='20' y2='12' /><line x1='4' y1='18'x2='20' y2='18' /></svg></label></nav><div class='content'><div class='content-wrapper'><div class='container'><div class='masonry'><div id='elementName' class='box-content masonry-col text-center'><div class='line-height-2'><h1>Argon</h1></div></div><div class='elementSqr'><div class='flex'><div id='firstSquare' class='flex-item masonry-col flex flex-col'><div id='resultNumber' class='flex line-height-normal'>18</div><div id='resultSymbol' class='flex justify-center line-height-normal'><span class='self-center'>Ar</span></div></div></div><div class='flex'><div id='secondSquare' class='flex-item masonry-col grid'><div class='grayText'>Groupe</div><div>18</div><div class='grayText'>Période</div><div>3</div><div class='grayText'>Bloc</div><div>p</div></div></div></div><div class='box-content masonry-col'><div class='grid-3 text-center'><div class='grayText truncate'>Protons</div><div class='grayText truncate'>Electrons</div><div class='grayText truncate'>Neutrons</div><div class='font-size-1-5'>18</div><div class='font-size-1-5'>18</div><div class='font-size-1-5'>22</div></div></div><div class='box-content masonry-col'><span class='headerOutline text-upper'>Propriétés Générales</span><div class='grid'><div class='grayText'>Numéro atomique</div><div>18</div><div class='grayText'>Masse atomique</div><div>39,948</div><div class='grayText'>Mass Number</div><div>40</div><div class='grayText'>Catégorie</div><div>Gaz nobles</div><div class='grayText'>Couleur</div><div>Incolore</div><div class='grayText'>Radioactif</div><div>Non</div></div></div><div class='box-content text-center masonry-col'><div class='line-height-2'>Du grec <i>argos</i> neutre ou inactif</div></div><div class='box-content masonry-col'><div class='grid'><div class='grayText'>Structure cristalline</div><div>Cubique face centrée</div></div><div><svg xmlns='http://www.w3.org/2000/svg' class='crystalDiagram' viewBox='-1 -1 31.41 37.411'><path class='strokeHidden' d='M24.907 24.907l-12.202-12.2L.503.507M24.91.5L.5 24.912m28.407 9.993L24.91.5m3.997 34.407L.5 24.912M28.91 10.5l-2.001 7.203-2.002 7.202m0 .002L14.704 29.91 4.5 34.912m20.407-10.005l4 10M24.91.5l-.003 24.407L.5 24.912'/><path class='fillHidden' d='M12.205 12.706a.5.5 0 101 0 .5.5 0 00-1 0zm1.999 17.203a.5.5 0 101 0 .5.5 0 00-1 0zm12.205-12.2a.5.5 0 101 0 .5.5 0 00-1 0zm-2.002 7.198a.5.5 0 101 0 .5.5 0 00-1 0z' /><path class='strokeVisible' d='M.5 24.912L.503.507 24.91.5m0 0L14.707 5.502 4.503 10.505M28.91 10.5L.503.505M4.5 34.912L.503.507M28.91 10.5L4.5 34.912m0 0l.003-24.405L28.91 10.5l-.003 24.407zM24.91.5l4 10M.5 24.912l4 10M.503.507l4 10m24.404 24.4l-12.202-12.2-12.202-12.2m0 0l-2.001 7.202L.5 24.912' /><path class='fillVisible' d='M16.205 22.706a.5.5 0 101 0 .5.5 0 00-1 0zM14.204 5.502a.5.5 0 101 0 .5.5 0 00-1 0zM2.002 17.71a.5.5 0 101 0 .5.5 0 00-1 0zM28.41 10.5a.5.5 0 101 0 .5.5 0 00-1 0zm-.003 24.408a.5.5 0 101 0 .5.5 0 00-1 0zM4 34.91a.5.5 0 101 0 .5.5 0 00-1 0zm.003-24.405a.5.5 0 101 0 .5.5 0 00-1 0zM24.41.5a.5.5 0 101 0 .5.5 0 00-1 0zM0 24.91a.5.5 0 101 0 .5.5 0 00-1 0zM.003.506a.5.5 0 101 0 .5.5 0 00-1 0z'/></svg></div></div><div class='box-content masonry-col'><span class='headerOutline text-upper'>Histoire</span><div class='line-height-2'>En 1785 le physicien britannique Henry Cavendish est le premier à soupçonner que l'air renferme un gaz encore inconnu.<br><br>La découverte officielle de l'argon est attribuée aux physicien et chimiste britanniques William Ramsay et John William Rayleigh.<br><br>En 1894 ils distillent de l'air liquéfié mais après avoir éliminé le dioxygène et le diazote il subsite un dernier gaz constitué d'un élément qu'ils baptisent Argon.</div></div><div id='electronConf' class='box-content masonry-col'><div class='grid padding-bottom-25'><div class='grayText'>Électrons par couche</div><div class='ltrText justify-start'>2, 8, 8</div><div class='grayText hyphen'>Configuration électronique</div><div class='ltrText justify-start'>[Ne] 3s<sup>2</sup> 3p<sup>6</sup></div></div><svg version='1.1' xmlns='http://www.w3.org/2000/svg' viewBox='-800 -480 1600 960' class='atom pt-6'><g class='g'><circle class='nucleus' r='130' /><text class='font-fam' x='0' y='0' fill='#ffffff' alignment-baseline='middle' dominant-baseline='middle' text-anchor='middle'>Ar</text><g class='one' fill='currentColor'><circle r=230 fill='none' stroke='currentColor' stroke-width=8 /><circle class='electron' cx=0 cy=-230 r=25 /><circle class='electron' cx=0 cy=230 r=25 /></g><g class='two' fill='currentColor'><circle r=320 fill='none' stroke='currentColor' stroke-width=8 /><circle class='electron' cx=0 cy=-320 r=25 /><circle class='electron' cx=0 cy=320 r=25 /><circle class='electron' cx=-320 cy=0 r=25 /><circle class='electron' cx=320 cy=0 r=25 /><circle class='electron' cx=-226.272 cy=-226.272 r=25 /><circle class='electron' cx=226.272 cy=-226.272 r=25 /><circle class='electron' cx=-226.272 cy=226.272 r=25 /><circle class='electron' cx=226.272 cy=226.272 r=25 /></g><g class='three' fill='currentColor'><circle r=410 fill='none' stroke='currentColor' stroke-width=8 /><circle class='electron' cx=0 cy=-410 r=25 /><circle class='electron' cx=0 cy=410 r=25 /><circle class='electron' cx=-403.77117873000003 cy=-71.19575298 r=25 /><circle class='electron' cx=403.77117873000003 cy=-71.19575298 r=25 /><circle class='electron' cx=-355.07041399999997 cy=205 r=25 /><circle class='electron' cx=355.07041399999997 cy=205 r=25 /><circle class='electron' cx=-263.542916 cy=-314.07822163 r=25 /><circle class='electron' cx=263.542916 cy=-314.07822163 r=25 /></g></g></svg></div><div class='box-content masonry-col text-center'><div class='line-height-2'>La première molécule impliquant l'argon a été synthétisée en 2000</div></div><div class='box-content masonry-col'><span class='headerOutline text-upper'>Propriétés Physiques</span><div class='grid'><div class='grayText'>État ordinaire</div><div>Gaz</div><div class='grayText'>Masse volumique</div><div>0,0017837 g/cm<sup>3</sup></div><div class='grayText'>Point de fusion</div><div id='outputMeltingMain'>83,8 K | -189,35 °C | -308,83 °F</div><div class='grayText'>Point d’ébullition</div><div id='outputBoilingMain'>87,3 K | -185,85 °C | -302,53 °F</div><div class='grayText'>Enthalpie de fusion</div><div>1,18 kJ/mol</div><div class='grayText'>Enthalpie de vaporisation</div><div>6,5 kJ/mol</div><div class='grayText hyphen'>Chaleur massique</div><div>0,52 J/g·K</div></div></div><div class='box-content masonry-col'><div class='grid'><div class='grayText'>Abondance dans la croute terrestre</div><div>0,00015%</div><div class='grayText'>Abondance dans l'univers</div><div>0,02%</div></div></div><div class='masonry-col'><div class='blog-thumb'><img id='elementPic' src='https://periodic-table.io/images/elements/Ar.jpg' alt=Flacon d'argon ultrapure rougeoyant data-toggle='modal' data-target='#exampleModal' /></div><div class='box-content bottom-rounded line-height-2'><span class='grayText'>Crédits d'image: </span><a class='underlineLink' target='_blank' rel='noopener' href='http://images-of-elements.com/argon.php'>Images-of-elements</a><div class='pt-4'>Flacon d'argon ultrapure rougeoyant</div></div></div><div class='box-content masonry-col'><div class='grid'><div class='grayText'>Numéro CAS</div><div>7440-37-1</div><div class='grayText'>Numéro CID PubChem</div><div>23968</div></div></div><div class='box-content masonry-col'><span class='headerOutline text-upper'>Propriétés Atomiques</span><div class='grid'><div class='grayText'>Rayon atomique</div><div>71 pm</div><div class='grayText'>Rayon de covalence</div><div>106 pm</div><div class='grayText hyphen'>Électronégativité</div><div>-</div><div class='grayText hyphen'>Potentiel d'ionisation</div><div>15,7596 eV</div><div class='grayText'>Volume atomique</div><div>22,4 cm<sup>3</sup>/mol</div><div class='grayText hyphen'>Conductivité thermique</div><div>0,0001772 W/cm·K</div><div class='grayText hyphen'>États d’oxydation</div><div class='ltrText justify-start'>0</div></div></div><div class='box-content masonry-col'><span class='headerOutline text-upper grayText'>Applications</span><div class='line-height-2'>Comme gaz inerte, l'argon est employé en chimie fine, dans les extincteurs, le soudage à l'arc TIG et certains vitrages isolants.<br><br>On l'utilise aussi pour la conservation de la viande dans l'industrie agro-alimentaire.<br><br>L'argon 39 a été employé notamment pour dater des eaux souterraines.<br><br>Une atmosphère d'argon est utilisée dans les fours électriques graphites pour empêcher le graphite de brûler.</div></div><div class='box-content masonry-col text-center'><div class='line-height-2'>L'argon est considéré comme non toxique</div></div><div class='box-content masonry-col'><span class='headerOutline text-upper'>Isotopes</span><div class='grayText py-4'>Isotopes stables</div><span><sup>36</sup>Ar, <sup>38</sup>Ar, <sup>40</sup>Ar</span><div class='grayText py-4'>Isotopes instables</div><span><sup>30</sup>Ar, <sup>31</sup>Ar, <sup>32</sup>Ar, <sup>33</sup>Ar, <sup>34</sup>Ar, <sup>35</sup>Ar, <sup>37</sup>Ar, <sup>39</sup>Ar, <sup>41</sup>Ar, <sup>42</sup>Ar, <sup>43</sup>Ar, <sup>44</sup>Ar, <sup>45</sup>Ar, <sup>46</sup>Ar, <sup>47</sup>Ar, <sup>48</sup>Ar, <sup>49</sup>Ar, <sup>50</sup>Ar, <sup>51</sup>Ar, <sup>52</sup>Ar, <sup>53</sup>Ar</span></div><div class='box-content masonry-col'><span class='headerOutline text-upper'>Liens Externes</span><div class='webLink'><a href='https://fr.wikipedia.org/wiki/argon' class='underlineLink' target='_blank' rel='noopener noreferrer'>Wikipédia</a></div><a href='https://www.britannica.com/science/argon-chemical-element' class='webLink' target='_blank' rel='noopener noreferrer'><span class='underlineLink'>Encyclopaedia Britannica</span></a><a href='http://www.wolframalpha.com/input/?i=argon+element' class='webLink' target='_blank' rel='noopener noreferrer'><span class='underlineLink'>Wolfram Alpha</span></a><a href='http://www.chemicool.com/elements/argon.html' class='webLink' target='_blank' rel='noopener noreferrer'><span class='underlineLink'>Chemicool</span></a><a href='http://www.rsc.org/periodic-table/element/18/argon' class='webLink' target='_blank' rel='noopener noreferrer'><span class='underlineLink'>RSC Visual Elements</span></a><a href='http://www.webelements.com/argon/' class='webLink' target='_blank' rel='noopener noreferrer'><span class='underlineLink'>WebElements</span></a></div><div class='box-content masonry-col'><svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 325 75' id='tableSVG'><g transform='translate(0,-977.3622)'><g style='opacity: 0.4;'><path transform='translate(0,977.3622)' d='m 162.5,32.5 0,20 10,0 0,20 90,0 0,-40 -90,0 -10,0 z' style='fill: #c76d6d;' /><path d='m 2.5,989.86218 10,0 0,60.00002 -10,0 z' style='fill: #ba6f9c;' /><path d='m 12.5,989.86218 10,0 0,60.00002 -10,0 z' style='fill: #5688aa;' /><path d='m 22.5,1029.8622 150,0 0,10 -150,0 z' style='fill: #a97942;' /><path d='m 22.5,1039.8622 150,0 0,10 -150,0 z' style='fill: #857d61;' /><path d='m 312.5,979.8622 10,0 0,70 -10,0 z' style='fill: #529311;' /><path transform='translate(0,977.3622)' d='m 262.5,22.5 0,50 10,0 10,0 10,0 10,0 0,-10 -10,0 0,-10 -10,0 0,-10 -10,0 0,-20 -10,0 z'style='fill: #8b77c6;' /><path transform='translate(0,977.3622)' d='m 272.5,12.5 0,10 10,0 0,10 10,0 0,10 10,0 0,-30 -10,0 -10,0 -10,0 z'style='fill: #3f8f67;' /><path d='m 302.5,989.8622 10,0 0,60 -10,0 z' style='fill: #498dad;' /><path d='m 2.5,979.86218 10,0 0,10 -10,0 z' style='fill: #3f8f67;' /><path transform='translate(0,977.3622)' d='m 262.5,12.5 0,10 10,0 0,-10 -10,0 z m 10,10 0,20 10,0 0,10 10,0 0,10 10,0 0,-20 -10,0 0,-10 -10,0 0,-10 -10,0 z'style='fill: #d1744b;' /><path d='m 0,977.3622 0,2.5 0,70 0,2.5 325,0 0,-2.5 0,-70 0,-2.5 -15,0 0,2.5 0,7.5 -50,0 0,2.5 0,17.5 -100,0 0,2.5 0,17.5 -135,0 0,-37.5 0,-2.5 -10,0 0,-7.49805 -2.5,0 0,7.49805 0,0.002 0,2.498 10,0 0,40 2.5,0 135,0 2.5,0 0,-20 97.5,0 2.5,0 0,-20 50,0 0,-2.5 0,-7.5 10,0 0,70 -320,0 0,-70 12.5,0 0,-2.5 -15,0 z'style='fill: #808080;' /></g><g id='highlight' transform='translate(310,-40)'><path style='fill: #ffffff;' d='m 2.5,1039.8622 10,0 0,10 -10,0 z' /><path d='m 2.5,1039.8622 0,2.9199 2.919922,-2.9199 -2.919922,0 z m 6.455078,0 -6.455078,6.4551 0,3.5371 9.990234,-9.9922 -3.535156,0 z m 3.544922,3.5273 -6.472656,6.4727 3.535156,0 2.9375,-2.9375 0,-3.5352 z'style='fill: #000000;' /></g></g></svg><div id='elementNav' class='pt-4'><a href='element-17' class='underlineLink'>Chlore</a><svg xmlns='http://www.w3.org/2000/svg' width='1.5em' height='1.5em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><line x1='5' y1='12' x2='19' y2='12' /><line x1='5' y1='12' x2='9' y2='16' /><line x1='5' y1='12' x2='9' y2='8' /></svg><span>Ar</span><svg xmlns='http://www.w3.org/2000/svg' width='1.5em' height='1.5em' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' fill='none' stroke-linecap='round' stroke-linejoin='round'><line x1='5' y1='12' x2='19' y2='12' /><line x1='15' y1='16' x2='19' y2='12' /><line x1='15' y1='8' x2='19' y2='12' /></svg><a href='element-19' class='underlineLink'>Potassium</a></div></div></div></div></div></div><section class='footer'><div class='flex flex-wrap justify-center pt-2'><a target='_blank' href='https://feedback.periodic-table.io/' rel='noopener noreferrer' class='m-1 px-4 py-2'>Suggestions</a><a href='translation' class='m-1 px-4 py-2'>Traduire</a><a href='about' class='m-1 px-4 py-2'>A propos</a><a href='credits' class='m-1 px-4 py-2'>Crédits</a><a href='privacy-policy' class='m-1 px-4 py-2'>Politique de confidentialité</a></div><div class='flex flex-wrap justify-center pt-2 py-4'><a target='_blank' href='https://github.com/catchspider2002/periodic-table.io' rel='noopener noreferrer' class='flex m-1 p-2' title='Github'><svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 512 512' stroke='currentColor' fill='currentColor'><path d='M256 6.178c-141 0-256 115-256 256 0 113 73 209 175 243 13 3 18-5 18-12 0-6-1-26-1-48-71 16-86-30-86-30-12-30-28-37-28-37-24-16 1-16 1-16 26 2 40 26 40 26 22 40 59 28 74 22 2-17 9-28 16-35-57-6-116-28-116-126 0-28 10-51 26-69-3-6-11-32 3-68 0 0 21-6 70 27 20-6 42-9 64-9s44 3 64 9c49-33 70-27 70-27 14 36 6 62 3 68 16 18 26 41 26 69 0 98-60 120-117 126 10 8 18 24 18 48 0 34-1 61-1 70 0 7 5 15 18 12 102-34 175-130 175-243 0-141-115-256-256-256z' /></svg></a><a target='_blank' href='https://twitter.com/periodictableio' rel='noopener noreferrer' class='flex m-1 p-2' title='Twitter'><svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 512 512' stroke='currentColor' fill='currentColor'><path d='M511.426 97c-19 9-39 14-60 17 21-13 38-34 46-58-20 12-43 20-67 25-19-20-46-33-76-33-58 0-105 47-105 105 0 8 0 16 2 24-87-4-164-46-216-110-9 16-14 34-14 53 0 36 18 69 46 87-17 0-33-5-47-13v2c0 50 36 93 84 103-9 2-18 3-28 3-7 0-13 0-20-2 14 42 53 72 99 73-36 29-82 45-131 45-8 0-17 0-25-1 47 30 102 47 161 47 193 0 299-160 299-299v-13c20-15 38-34 52-55z' /></svg></a><a target='_blank' href='https://www.instagram.com/periodictableio/' rel='noopener noreferrer' class='flex m-1 p-2' title='Instagram'><svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 512 512' stroke='currentColor' fill='currentColor'><path d='M466 256c0-68 0-77-2-103-1-25-5-39-8-48-5-12-11-20-20-29s-17-15-29-20c-9-3-23-7-47-8-27-2-36-2-104-2s-76 0-103 2c-25 1-39 5-48 8-12 5-20 11-29 20s-15 17-19 29c-4 9-8 23-9 47-1 27-2 36-2 104s1 76 2 103c1 25 5 39 9 48 4 12 10 20 19 29s17 15 29 19c9 4 23 8 48 9 27 1 35 2 103 2s77-1 103-2c25-1 39-5 48-9 12-4 20-10 29-19s15-17 20-29c3-9 7-23 8-48 2-27 2-35 2-103zm46 0c0 69 0 78-2 105-1 28-5 46-11 63-7 16-16 31-30 45s-29 23-45 30c-17 6-35 10-62 11-28 2-37 2-106 2-70 0-78 0-106-2-27-1-45-5-62-11-17-7-31-16-45-30s-23-29-30-45c-6-17-10-35-11-62-2-28-2-36-2-106 0-69 0-78 2-105 1-28 5-46 11-63 7-16 16-31 30-45s28-23 45-29c17-7 35-11 62-12 28-1 36-2 106-2 69 0 78 1 105 2 28 1 46 5 62 12 17 6 32 15 46 29s23 28 29 45c7 17 11 35 12 62 2 28 2 36 2 106zm-125 0c0 73-58 131-131 131s-132-58-132-131 59-132 132-132 131 59 131 132zm-216 0c0 47 38 85 85 85s85-38 85-85-38-85-85-85-85 38-85 85zM393 89c-17 0-31 13-31 30s14 31 31 31 30-14 30-31-13-30-30-30z' /></svg></a><a target='_blank' href='https://gumroad.com/periodictabio' rel='noopener noreferrer' class='flex m-1 p-2' title='Gumroad'><svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 512 512' stroke='currentColor' fill='currentColor'><path d='M338 321c12 0 21 10 21 22s-9 22-21 22c0 0 0 0 0 0v0c-12 0-22-10-22-22s10-22 22-22c0 0 0 0 0 0zM455 24s0 0 0 0c12 0 22 9 22 21s-10 22-22 22c0 0 0 0 0 0-12 0-22-10-22-22s10-21 22-21zM71 66h344c7 15 23 25 40 25 25 0 45-21 45-46S480 0 455 0c-19 0-35 12-42 28H71c-33 0-59 26-59 58v366c0 32 27 60 59 60h366c32 0 58-27 58-60V235c0-33-26-60-58-60H220c-33 0-61 27-61 60v68c0 32 27 57 61 57h76c6 17 23 29 42 29v0c25 0 45-21 45-46s-20-45-45-45c-18 0-33 10-41 24v0h-77c-11 0-23-7-23-19v-68c0-12 11-22 23-22h217c11 0 20 10 20 22v217c0 12-9 22-20 22H71c-11 0-21-10-21-22V86c0-11 9-20 21-20z' /></svg></a></div><div class='flex flex-wrap justify-center p-2 pb-8 self-center'>Made with&nbsp; <span style='color:#e25555'>❤</span> &nbsp;by <a target='_blank' href='https://twitter.com/MrNaveenCS/' rel='noopener noreferrer'><span class='linkText'>Naveen CS</span></a></div></section><!-- Cloudflare Web Analytics --><script defer src='https://static.cloudflareinsights.com/beacon.min.js' data-cf-beacon='{"token": "667af63b5e7d4de992a251a834464e5d"}'></script><!-- End Cloudflare Web Analytics --></body></html>
{'avg_line_length': 36853.0, 'max_line_length': 36853, 'alphanum_fraction': 0.7067538599299922, 'licenses': ['MIT'], 'repository_name': 'MatteusB02/periodic-table.io', 'path': 'fr/element-18.html', 'size': 37078, 'lang': 'HTML'}