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Dit is echter niet verplicht."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Account aanmaken</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciaal:Aanmelden&returnto=Atoomnummer" title="U wordt van harte uitgenodigd om aan te melden, maar dit is niet verplicht [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Aanmelden</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pagina's voor uitgelogde redacteuren <a href="/wiki/Help:Inleiding" aria-label="Meer leren over bewerken"><span>meer lezen</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Speciaal:MijnBijdragen" title="Bijdragen IP-adres [y]" accesskey="y"><span>Bijdragen</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speciaal:MijnOverleg" title="Overlegpagina van de anonieme gebruiker van dit IP-adres [n]" accesskey="n"><span>Overleg</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Atoomnummer</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ga naar een artikel in een andere taal. Beschikbaar in 135 talen" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-135" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">135 talen</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Atoomgetal" title="Atoomgetal – Afrikaans" lang="af" hreflang="af" data-title="Atoomgetal" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Ordnungszahl" title="Ordnungszahl – Zwitserduits" lang="gsw" hreflang="gsw" data-title="Ordnungszahl" data-language-autonym="Alemannisch" data-language-local-name="Zwitserduits" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Numero_atomico" title="Numero atomico – Aragonees" lang="an" hreflang="an" data-title="Numero atomico" data-language-autonym="Aragonés" data-language-local-name="Aragonees" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%AA%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%A3%E0%A5%81_%E0%A4%B8%E0%A4%82%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE" title="परमाणु संख्या – Angika" lang="anp" hreflang="anp" data-title="परमाणु संख्या" data-language-autonym="अंगिका" data-language-local-name="Angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF_%D8%B0%D8%B1%D9%8A" title="عدد ذري – Arabisch" lang="ar" hreflang="ar" data-title="عدد ذري" data-language-autonym="العربية" data-language-local-name="Arabisch" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%86%D9%85%D8%B1%D8%A9_%D8%AF%D8%B1%D9%8A%D8%A9" title="نمرة درية – Marokkaans Arabisch" lang="ary" hreflang="ary" data-title="نمرة درية" data-language-autonym="الدارجة" data-language-local-name="Marokkaans Arabisch" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/N%C3%BAmberu_at%C3%B3micu" title="Númberu atómicu – Asturisch" lang="ast" hreflang="ast" data-title="Númberu atómicu" data-language-autonym="Asturianu" data-language-local-name="Asturisch" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A2%D8%AA%D9%88%D9%85_%D8%B3%D8%A7%DB%8C%DB%8C%E2%80%8C%D8%B3%DB%8C" title="آتوم سایی‌سی – South Azerbaijani" lang="azb" hreflang="azb" data-title="آتوم سایی‌سی" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Wilangan_atom" title="Wilangan atom – Balinees" lang="ban" hreflang="ban" data-title="Wilangan atom" data-language-autonym="Basa Bali" data-language-local-name="Balinees" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Ordnungszoi" title="Ordnungszoi – Beiers" lang="bar" hreflang="bar" data-title="Ordnungszoi" data-language-autonym="Boarisch" data-language-local-name="Beiers" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%97%D0%B0%D1%80%D0%B0%D0%B4%D0%B0%D0%B2%D1%8B_%D0%BB%D1%96%D0%BA" title="Зарадавы лік – Belarussisch" lang="be" hreflang="be" data-title="Зарадавы лік" data-language-autonym="Беларуская" data-language-local-name="Belarussisch" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D0%B5%D0%BD_%D0%BD%D0%BE%D0%BC%D0%B5%D1%80" title="Атомен номер – Bulgaars" lang="bg" hreflang="bg" data-title="Атомен номер" data-language-autonym="Български" data-language-local-name="Bulgaars" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A6%AE%E0%A6%BE%E0%A6%A3%E0%A6%AC%E0%A6%BF%E0%A6%95_%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE" title="পারমাণবিক সংখ্যা – Bengaals" lang="bn" hreflang="bn" data-title="পারমাণবিক সংখ্যা" data-language-autonym="বাংলা" data-language-local-name="Bengaals" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Niver_atomek" title="Niver atomek – Bretons" lang="br" hreflang="br" data-title="Niver atomek" data-language-autonym="Brezhoneg" data-language-local-name="Bretons" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Atomski_broj" title="Atomski broj – Bosnisch" lang="bs" hreflang="bs" data-title="Atomski broj" data-language-autonym="Bosanski" data-language-local-name="Bosnisch" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Nombre_at%C3%B2mic" title="Nombre atòmic – Catalaans" lang="ca" hreflang="ca" data-title="Nombre atòmic" data-language-autonym="Català" data-language-local-name="Catalaans" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/%D0%94%D1%83%D0%BB%D0%B0%D0%B4%D0%B0%D0%BB%D0%B0%D1%80%D0%B0%D0%BD_%D1%82%D0%B5%D1%80%D0%B0%D1%85%D1%8C" title="Дуладаларан терахь – Tsjetsjeens" lang="ce" hreflang="ce" data-title="Дуладаларан терахь" data-language-autonym="Нохчийн" data-language-local-name="Tsjetsjeens" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%AF%DB%95%D8%B1%D8%AF%DB%8C%D9%84%DB%95_%DA%98%D9%85%D8%A7%D8%B1%DB%95" title="گەردیلە ژمارە – Soranî" lang="ckb" hreflang="ckb" data-title="گەردیلە ژمارە" data-language-autonym="کوردی" data-language-local-name="Soranî" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Protonov%C3%A9_%C4%8D%C3%ADslo" title="Protonové číslo – Tsjechisch" lang="cs" hreflang="cs" data-title="Protonové číslo" data-language-autonym="Čeština" data-language-local-name="Tsjechisch" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%C4%83%D0%BD_%D0%BD%D0%BE%D0%BC%D0%B5%D1%80%C4%95" title="Атомăн номерĕ – Tsjoevasjisch" lang="cv" hreflang="cv" data-title="Атомăн номерĕ" data-language-autonym="Чӑвашла" data-language-local-name="Tsjoevasjisch" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Rhif_atomig" title="Rhif atomig – Welsh" lang="cy" hreflang="cy" data-title="Rhif atomig" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Atomnummer" title="Atomnummer – Deens" lang="da" hreflang="da" data-title="Atomnummer" data-language-autonym="Dansk" data-language-local-name="Deens" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Ordnungszahl" title="Ordnungszahl – Duits" lang="de" hreflang="de" data-title="Ordnungszahl" data-language-autonym="Deutsch" data-language-local-name="Duits" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%91%CF%84%CE%BF%CE%BC%CE%B9%CE%BA%CF%8C%CF%82_%CE%B1%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82" title="Ατομικός αριθμός – Grieks" lang="el" hreflang="el" data-title="Ατομικός αριθμός" data-language-autonym="Ελληνικά" data-language-local-name="Grieks" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Atomic_number" title="Atomic number – Engels" lang="en" hreflang="en" data-title="Atomic number" data-language-autonym="English" data-language-local-name="Engels" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Atomnumero" title="Atomnumero – Esperanto" lang="eo" hreflang="eo" data-title="Atomnumero" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/N%C3%BAmero_at%C3%B3mico" title="Número atómico – Spaans" lang="es" hreflang="es" data-title="Número atómico" data-language-autonym="Español" data-language-local-name="Spaans" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Aatomnumber" title="Aatomnumber – Estisch" lang="et" hreflang="et" data-title="Aatomnumber" data-language-autonym="Eesti" data-language-local-name="Estisch" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Atomo-zenbaki" title="Atomo-zenbaki – Baskisch" lang="eu" hreflang="eu" data-title="Atomo-zenbaki" data-language-autonym="Euskara" data-language-local-name="Baskisch" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF_%D8%A7%D8%AA%D9%85%DB%8C" title="عدد اتمی – Perzisch" lang="fa" hreflang="fa" data-title="عدد اتمی" data-language-autonym="فارسی" data-language-local-name="Perzisch" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/J%C3%A4rjestysluku_(kemia)" title="Järjestysluku (kemia) – Fins" lang="fi" hreflang="fi" data-title="Järjestysluku (kemia)" data-language-autonym="Suomi" data-language-local-name="Fins" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/Aadomarv" title="Aadomarv – Võro" lang="vro" hreflang="vro" data-title="Aadomarv" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Num%C3%A9ro_atomique" title="Numéro atomique – Frans" lang="fr" hreflang="fr" data-title="Numéro atomique" data-language-autonym="Français" data-language-local-name="Frans" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Atoomnumer" title="Atoomnumer – Noord-Fries" lang="frr" hreflang="frr" data-title="Atoomnumer" data-language-autonym="Nordfriisk" data-language-local-name="Noord-Fries" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Numar_atomic" title="Numar atomic – Friulisch" lang="fur" hreflang="fur" data-title="Numar atomic" data-language-autonym="Furlan" data-language-local-name="Friulisch" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Atoomn%C3%BBmer" title="Atoomnûmer – Fries" lang="fy" hreflang="fy" data-title="Atoomnûmer" data-language-autonym="Frysk" data-language-local-name="Fries" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Uimhir_adamhach" title="Uimhir adamhach – Iers" lang="ga" hreflang="ga" data-title="Uimhir adamhach" data-language-autonym="Gaeilge" data-language-local-name="Iers" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E5%8E%9F%E5%AD%90%E5%BA%8F%E6%95%B8" title="原子序數 – Ganyu" lang="gan" hreflang="gan" data-title="原子序數" data-language-autonym="贛語" data-language-local-name="Ganyu" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/N%C3%BAmero_at%C3%B3mico" title="Número atómico – Galicisch" lang="gl" hreflang="gl" data-title="Número atómico" data-language-autonym="Galego" data-language-local-name="Galicisch" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%AA%E0%AA%B0%E0%AA%AE%E0%AA%BE%E0%AA%A3%E0%AB%81_%E0%AA%95%E0%AB%8D%E0%AA%B0%E0%AA%AE%E0%AA%BE%E0%AA%82%E0%AA%95" title="પરમાણુ ક્રમાંક – Gujarati" lang="gu" hreflang="gu" data-title="પરમાણુ ક્રમાંક" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Earroo_breneenagh" title="Earroo breneenagh – Manx" lang="gv" hreflang="gv" data-title="Earroo breneenagh" data-language-autonym="Gaelg" data-language-local-name="Manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A1%D7%A4%D7%A8_%D7%90%D7%98%D7%95%D7%9E%D7%99" title="מספר אטומי – Hebreeuws" lang="he" hreflang="he" data-title="מספר אטומי" data-language-autonym="עברית" data-language-local-name="Hebreeuws" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AA%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%A3%E0%A5%81_%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%82%E0%A4%95" title="परमाणु क्रमांक – Hindi" lang="hi" hreflang="hi" data-title="परमाणु क्रमांक" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Atomic_number" title="Atomic number – Fijisch Hindi" lang="hif" hreflang="hif" data-title="Atomic number" data-language-autonym="Fiji Hindi" data-language-local-name="Fijisch Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Atomski_broj" title="Atomski broj – Kroatisch" lang="hr" hreflang="hr" data-title="Atomski broj" data-language-autonym="Hrvatski" data-language-local-name="Kroatisch" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Nonm_atomik" title="Nonm atomik – Haïtiaans Creools" lang="ht" hreflang="ht" data-title="Nonm atomik" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haïtiaans Creools" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Rendsz%C3%A1m_(k%C3%A9mia)" title="Rendszám (kémia) – Hongaars" lang="hu" hreflang="hu" data-title="Rendszám (kémia)" data-language-autonym="Magyar" data-language-local-name="Hongaars" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B1%D5%BF%D5%B8%D5%B4%D5%A1%D5%AF%D5%A1%D5%B6_%D5%B0%D5%A1%D5%B4%D5%A1%D6%80" title="Ատոմական համար – Armeens" lang="hy" hreflang="hy" data-title="Ատոմական համար" data-language-autonym="Հայերեն" data-language-local-name="Armeens" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Numero_atomic" title="Numero atomic – Interlingua" lang="ia" hreflang="ia" data-title="Numero atomic" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Nomor_atom" title="Nomor atom – Indonesisch" lang="id" hreflang="id" data-title="Nomor atom" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesisch" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Atomiko_a_numero" title="Atomiko a numero – Iloko" lang="ilo" hreflang="ilo" data-title="Atomiko a numero" data-language-autonym="Ilokano" data-language-local-name="Iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-inh mw-list-item"><a href="https://inh.wikipedia.org/wiki/%D0%97%D0%B8%D1%80%D1%85%D0%B0%D1%82%D0%B0_%D0%BD%D0%BE%D0%BC%D0%B5%D1%80" title="Зирхата номер – Ingoesjetisch" lang="inh" hreflang="inh" data-title="Зирхата номер" data-language-autonym="ГӀалгӀай" data-language-local-name="Ingoesjetisch" class="interlanguage-link-target"><span>ГӀалгӀай</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Atomala_nombro" title="Atomala nombro – Ido" lang="io" hreflang="io" data-title="Atomala nombro" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/S%C3%A6tistala" title="Sætistala – IJslands" lang="is" hreflang="is" data-title="Sætistala" data-language-autonym="Íslenska" data-language-local-name="IJslands" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Numero_atomico" title="Numero atomico – Italiaans" lang="it" hreflang="it" data-title="Numero atomico" data-language-autonym="Italiano" data-language-local-name="Italiaans" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%8E%9F%E5%AD%90%E7%95%AA%E5%8F%B7" title="原子番号 – Japans" lang="ja" hreflang="ja" data-title="原子番号" data-language-autonym="日本語" data-language-local-name="Japans" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Nomer_atom" title="Nomer atom – Javaans" lang="jv" hreflang="jv" data-title="Nomer atom" data-language-autonym="Jawa" data-language-local-name="Javaans" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%90%E1%83%A2%E1%83%9D%E1%83%9B%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%9C%E1%83%9D%E1%83%9B%E1%83%94%E1%83%A0%E1%83%98" title="ატომური ნომერი – Georgisch" lang="ka" hreflang="ka" data-title="ატომური ნომერი" data-language-autonym="ქართული" data-language-local-name="Georgisch" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/U%E1%B9%AD%E1%B9%ADun_abelkim" title="Uṭṭun abelkim – Kabylisch" lang="kab" hreflang="kab" data-title="Uṭṭun abelkim" data-language-autonym="Taqbaylit" data-language-local-name="Kabylisch" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D0%B4%D1%8B%D2%9B_%D0%BD%D3%A9%D0%BC%D1%96%D1%80" title="Атомдық нөмір – Kazachs" lang="kk" hreflang="kk" data-title="Атомдық нөмір" data-language-autonym="Қазақша" data-language-local-name="Kazachs" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AA%E0%B2%B0%E0%B2%AE%E0%B2%BE%E0%B2%A3%E0%B3%81_%E0%B2%B8%E0%B2%82%E0%B2%96%E0%B3%8D%E0%B2%AF%E0%B3%86" title="ಪರಮಾಣು ಸಂಖ್ಯೆ – Kannada" lang="kn" hreflang="kn" data-title="ಪರಮಾಣು ಸಂಖ್ಯೆ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9B%90%EC%9E%90_%EB%B2%88%ED%98%B8" title="원자 번호 – Koreaans" lang="ko" hreflang="ko" data-title="원자 번호" data-language-autonym="한국어" data-language-local-name="Koreaans" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Hejmara_atom%C3%AE" title="Hejmara atomî – Koerdisch" lang="ku" hreflang="ku" data-title="Hejmara atomî" data-language-autonym="Kurdî" data-language-local-name="Koerdisch" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Niver_atomek" title="Niver atomek – Cornish" lang="kw" hreflang="kw" data-title="Niver atomek" data-language-autonym="Kernowek" data-language-local-name="Cornish" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D0%B4%D1%83%D0%BA_%D0%BD%D0%BE%D0%BC%D0%B5%D1%80" title="Атомдук номер – Kirgizisch" lang="ky" hreflang="ky" data-title="Атомдук номер" data-language-autonym="Кыргызча" data-language-local-name="Kirgizisch" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Numerus_atomicus" title="Numerus atomicus – Latijn" lang="la" hreflang="la" data-title="Numerus atomicus" data-language-autonym="Latina" data-language-local-name="Latijn" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Uerdnungszuel" title="Uerdnungszuel – Luxemburgs" lang="lb" hreflang="lb" data-title="Uerdnungszuel" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxemburgs" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Atoomn%C3%B3mmer" title="Atoomnómmer – Limburgs" lang="li" hreflang="li" data-title="Atoomnómmer" data-language-autonym="Limburgs" data-language-local-name="Limburgs" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Nummero_atommico" title="Nummero atommico – Ligurisch" lang="lij" hreflang="lij" data-title="Nummero atommico" data-language-autonym="Ligure" data-language-local-name="Ligurisch" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/N%C3%BCmer_atomich" title="Nümer atomich – Lombardisch" lang="lmo" hreflang="lmo" data-title="Nümer atomich" data-language-autonym="Lombard" data-language-local-name="Lombardisch" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Atomo_numeris" title="Atomo numeris – Litouws" lang="lt" hreflang="lt" data-title="Atomo numeris" data-language-autonym="Lietuvių" data-language-local-name="Litouws" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Atomskaitlis" title="Atomskaitlis – Lets" lang="lv" hreflang="lv" data-title="Atomskaitlis" data-language-autonym="Latviešu" data-language-local-name="Lets" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D1%81%D0%BA%D0%B8_%D0%B1%D1%80%D0%BE%D1%98" title="Атомски број – Macedonisch" lang="mk" hreflang="mk" data-title="Атомски број" data-language-autonym="Македонски" data-language-local-name="Macedonisch" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%85%E0%B4%A3%E0%B5%81%E0%B4%B8%E0%B4%82%E0%B4%96%E0%B5%8D%E0%B4%AF" title="അണുസംഖ്യ – Malayalam" lang="ml" hreflang="ml" data-title="അണുസംഖ്യ" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D1%8B%D0%BD_%D0%B4%D1%83%D0%B3%D0%B0%D0%B0%D1%80" title="Атомын дугаар – Mongools" lang="mn" hreflang="mn" data-title="Атомын дугаар" data-language-autonym="Монгол" data-language-local-name="Mongools" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%85%E0%A4%A3%E0%A5%81%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%82%E0%A4%95" title="अणुक्रमांक – Marathi" lang="mr" hreflang="mr" data-title="अणुक्रमांक" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Nombor_atom" title="Nombor atom – Maleis" lang="ms" hreflang="ms" data-title="Nombor atom" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleis" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%A1%E1%80%80%E1%80%BA%E1%80%90%E1%80%99%E1%80%BA_%E1%80%A1%E1%80%99%E1%80%BE%E1%80%90%E1%80%BA%E1%80%85%E1%80%89%E1%80%BA" title="အက်တမ် အမှတ်စဉ် – Birmaans" lang="my" hreflang="my" data-title="အက်တမ် အမှတ်စဉ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Birmaans" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Atomtall" title="Atomtall – Nedersaksisch" lang="nds" hreflang="nds" data-title="Atomtall" data-language-autonym="Plattdüütsch" data-language-local-name="Nedersaksisch" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%AA%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%A3%E0%A5%81_%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%99%E0%A5%8D%E0%A4%95" title="परमाणु क्रमाङ्क – Nepalees" lang="ne" hreflang="ne" data-title="परमाणु क्रमाङ्क" data-language-autonym="नेपाली" data-language-local-name="Nepalees" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Atomnummer" title="Atomnummer – Noors - Nynorsk" lang="nn" hreflang="nn" data-title="Atomnummer" data-language-autonym="Norsk nynorsk" data-language-local-name="Noors - Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Atomnummer" title="Atomnummer – Noors - Bokmål" lang="nb" hreflang="nb" data-title="Atomnummer" data-language-autonym="Norsk bokmål" data-language-local-name="Noors - Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Num%C3%A8ro_atomic" title="Numèro atomic – Occitaans" lang="oc" hreflang="oc" data-title="Numèro atomic" data-language-autonym="Occitan" data-language-local-name="Occitaans" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Lakkoofsa_Atoomaawaa" title="Lakkoofsa Atoomaawaa – Afaan Oromo" lang="om" hreflang="om" data-title="Lakkoofsa Atoomaawaa" data-language-autonym="Oromoo" data-language-local-name="Afaan Oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%AA%E0%AC%B0%E0%AC%AE%E0%AC%BE%E0%AC%A3%E0%AD%81_%E0%AC%95%E0%AD%8D%E0%AC%B0%E0%AC%AE%E0%AC%BE%E0%AC%99%E0%AD%8D%E0%AC%95" title="ପରମାଣୁ କ୍ରମାଙ୍କ – Odia" lang="or" hreflang="or" data-title="ପରମାଣୁ କ୍ରମାଙ୍କ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="Odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AA%E0%A8%B0%E0%A8%AE%E0%A8%BE%E0%A8%A3%E0%A9%82_%E0%A8%B8%E0%A9%B0%E0%A8%96%E0%A8%BF%E0%A8%86" title="ਪਰਮਾਣੂ ਸੰਖਿਆ – Punjabi" lang="pa" hreflang="pa" data-title="ਪਰਮਾਣੂ ਸੰਖਿਆ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Liczba_atomowa" title="Liczba atomowa – Pools" lang="pl" hreflang="pl" data-title="Liczba atomowa" data-language-autonym="Polski" data-language-local-name="Pools" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A7%DB%8C%D9%B9%D9%85%DB%8C_%D9%86%D9%85%D8%A8%D8%B1" title="ایٹمی نمبر – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ایٹمی نمبر" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%A7%D9%BC%D9%88%D9%85%D9%8A_%D8%B9%D8%AF%D8%AF" title="اټومي عدد – Pasjtoe" lang="ps" hreflang="ps" data-title="اټومي عدد" data-language-autonym="پښتو" data-language-local-name="Pasjtoe" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/N%C3%BAmero_at%C3%B3mico" title="Número atómico – Portugees" lang="pt" hreflang="pt" data-title="Número atómico" data-language-autonym="Português" data-language-local-name="Portugees" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/I%C3%B1uku_%C3%B1iqi" title="Iñuku ñiqi – Quechua" lang="qu" hreflang="qu" data-title="Iñuku ñiqi" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Num%C4%83r_atomic" title="Număr atomic – Roemeens" lang="ro" hreflang="ro" data-title="Număr atomic" data-language-autonym="Română" data-language-local-name="Roemeens" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%97%D0%B0%D1%80%D1%8F%D0%B4%D0%BE%D0%B2%D0%BE%D0%B5_%D1%87%D0%B8%D1%81%D0%BB%D0%BE" title="Зарядовое число – Russisch" lang="ru" hreflang="ru" data-title="Зарядовое число" data-language-autonym="Русский" data-language-local-name="Russisch" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D1%82%D0%BE%D0%BD%D0%BE%D0%B2%D0%B5_%D1%87%D1%96%D1%81%D0%BB%D0%BE" title="Протонове чісло – Roetheens" lang="rue" hreflang="rue" data-title="Протонове чісло" data-language-autonym="Русиньскый" data-language-local-name="Roetheens" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%AA%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%A3%E0%A5%81%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%99%E0%A5%8D%E0%A4%95%E0%A4%83" title="परमाणुक्रमाङ्कः – Sanskriet" lang="sa" hreflang="sa" data-title="परमाणुक्रमाङ्कः" data-language-autonym="संस्कृतम्" data-language-local-name="Sanskriet" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%AD%D0%BB%D1%8D%D0%BC%D0%B8%D1%8D%D0%BD_%D0%B0%D1%82%D0%BE%D0%BC%D1%83%D0%BD_%D0%BD%D2%AF%D3%A9%D0%BC%D1%8D%D1%80%D1%8D" title="Элэмиэн атомун нүөмэрэ – Jakoets" lang="sah" hreflang="sah" data-title="Элэмиэн атомун нүөмэрэ" data-language-autonym="Саха тыла" data-language-local-name="Jakoets" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/N%C3%B9mmuru_at%C3%B2micu" title="Nùmmuru atòmicu – Siciliaans" lang="scn" hreflang="scn" data-title="Nùmmuru atòmicu" data-language-autonym="Sicilianu" data-language-local-name="Siciliaans" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Atomic_nummer" title="Atomic nummer – Schots" lang="sco" hreflang="sco" data-title="Atomic nummer" data-language-autonym="Scots" data-language-local-name="Schots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%A7%D9%8A%D9%BD%D9%85%D9%8A_%D9%86%D9%85%D8%A8%D8%B1" title="ايٽمي نمبر – Sindhi" lang="sd" hreflang="sd" data-title="ايٽمي نمبر" data-language-autonym="سنڌي" data-language-local-name="Sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Atomski_broj" title="Atomski broj – Servo-Kroatisch" lang="sh" hreflang="sh" data-title="Atomski broj" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Servo-Kroatisch" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%B4%E0%B6%BB%E0%B6%B8%E0%B7%8F%E0%B6%AB%E0%B7%94%E0%B6%9A_%E0%B6%9A%E0%B7%8A%E2%80%8D%E0%B6%BB%E0%B6%B8%E0%B7%8F%E0%B6%82%E0%B6%9A%E0%B6%BA" title="පරමාණුක ක්‍රමාංකය – Singalees" lang="si" hreflang="si" data-title="පරමාණුක ක්‍රමාංකය" data-language-autonym="සිංහල" data-language-local-name="Singalees" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Atomic_number" title="Atomic number – Simple English" lang="en-simple" hreflang="en-simple" data-title="Atomic number" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Prot%C3%B3nov%C3%A9_%C4%8D%C3%ADslo" title="Protónové číslo – Slowaaks" lang="sk" hreflang="sk" data-title="Protónové číslo" data-language-autonym="Slovenčina" data-language-local-name="Slowaaks" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Vrstno_%C5%A1tevilo" title="Vrstno število – Sloveens" lang="sl" hreflang="sl" data-title="Vrstno število" data-language-autonym="Slovenščina" data-language-local-name="Sloveens" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-smn mw-list-item"><a href="https://smn.wikipedia.org/wiki/Oornigloho_(kemia)" title="Oornigloho (kemia) – Inari-Samisch" lang="smn" hreflang="smn" data-title="Oornigloho (kemia)" data-language-autonym="Anarâškielâ" data-language-local-name="Inari-Samisch" class="interlanguage-link-target"><span>Anarâškielâ</span></a></li><li class="interlanguage-link interwiki-sn badge-Q70893996 mw-list-item" title=""><a href="https://sn.wikipedia.org/wiki/Atomic_number" title="Atomic number – Shona" lang="sn" hreflang="sn" data-title="Atomic number" data-language-autonym="ChiShona" data-language-local-name="Shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Tiro_atam" title="Tiro atam – Somalisch" lang="so" hreflang="so" data-title="Tiro atam" data-language-autonym="Soomaaliga" data-language-local-name="Somalisch" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Numri_atomik" title="Numri atomik – Albanees" lang="sq" hreflang="sq" data-title="Numri atomik" data-language-autonym="Shqip" data-language-local-name="Albanees" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D1%81%D0%BA%D0%B8_%D0%B1%D1%80%D0%BE%D1%98" title="Атомски број – Servisch" lang="sr" hreflang="sr" data-title="Атомски број" data-language-autonym="Српски / srpski" data-language-local-name="Servisch" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Atomtaal" title="Atomtaal – Saterfries" lang="stq" hreflang="stq" data-title="Atomtaal" data-language-autonym="Seeltersk" data-language-local-name="Saterfries" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Nomer_atom" title="Nomer atom – Soendanees" lang="su" hreflang="su" data-title="Nomer atom" data-language-autonym="Sunda" data-language-local-name="Soendanees" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Atomnummer" title="Atomnummer – Zweeds" lang="sv" hreflang="sv" data-title="Atomnummer" data-language-autonym="Svenska" data-language-local-name="Zweeds" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Namba_atomia" title="Namba atomia – Swahili" lang="sw" hreflang="sw" data-title="Namba atomia" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%A3%E0%AF%81_%E0%AE%8E%E0%AE%A3%E0%AF%8D" title="அணு எண் – Tamil" lang="ta" hreflang="ta" data-title="அணு எண்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AA%E0%B0%B0%E0%B0%AE%E0%B0%BE%E0%B0%A3%E0%B1%81_%E0%B0%B8%E0%B0%82%E0%B0%96%E0%B1%8D%E0%B0%AF" title="పరమాణు సంఖ్య – Telugu" lang="te" hreflang="te" data-title="పరమాణు సంఖ్య" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%A0%D0%B0%D2%9B%D0%B0%D0%BC%D0%B8_%D0%B0%D1%82%D0%BE%D0%BC%D3%A3" title="Рақами атомӣ – Tadzjieks" lang="tg" hreflang="tg" data-title="Рақами атомӣ" data-language-autonym="Тоҷикӣ" data-language-local-name="Tadzjieks" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%A5%E0%B8%82%E0%B8%AD%E0%B8%B0%E0%B8%95%E0%B8%AD%E0%B8%A1" title="เลขอะตอม – Thai" lang="th" hreflang="th" data-title="เลขอะตอม" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Atomikong_bilang" title="Atomikong bilang – Tagalog" lang="tl" hreflang="tl" data-title="Atomikong bilang" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Atom_numaras%C4%B1" title="Atom numarası – Turks" lang="tr" hreflang="tr" data-title="Atom numarası" data-language-autonym="Türkçe" data-language-local-name="Turks" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D0%BD%D0%B8%D0%B9_%D0%BD%D0%BE%D0%BC%D0%B5%D1%80" title="Атомний номер – Oekraïens" lang="uk" hreflang="uk" data-title="Атомний номер" data-language-autonym="Українська" data-language-local-name="Oekraïens" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%AC%D9%88%DB%81%D8%B1%DB%8C_%D8%B9%D8%AF%D8%AF" title="جوہری عدد – Urdu" lang="ur" hreflang="ur" data-title="جوہری عدد" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Atom_raqami" title="Atom raqami – Oezbeeks" lang="uz" hreflang="uz" data-title="Atom raqami" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Oezbeeks" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/N%C3%B9maro_at%C3%B2mego" title="Nùmaro atòmego – Venetiaans" lang="vec" hreflang="vec" data-title="Nùmaro atòmego" data-language-autonym="Vèneto" data-language-local-name="Venetiaans" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/S%E1%BB%91_nguy%C3%AAn_t%E1%BB%AD" title="Số nguyên tử – Vietnamees" lang="vi" hreflang="vi" data-title="Số nguyên tử" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamees" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Atoomnummer" title="Atoomnummer – West-Vlaams" lang="vls" hreflang="vls" data-title="Atoomnummer" data-language-autonym="West-Vlams" data-language-local-name="West-Vlaams" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Ihap_atonomiko" title="Ihap atonomiko – Waray" lang="war" hreflang="war" data-title="Ihap atonomiko" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%8E%9F%E5%AD%90%E5%BA%8F%E6%95%B0" title="原子序数 – Wuyu" lang="wuu" hreflang="wuu" data-title="原子序数" data-language-autonym="吴语" data-language-local-name="Wuyu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xh mw-list-item"><a href="https://xh.wikipedia.org/wiki/Inombolo_ye-atom" title="Inombolo ye-atom – Xhosa" lang="xh" hreflang="xh" data-title="Inombolo ye-atom" data-language-autonym="IsiXhosa" data-language-local-name="Xhosa" class="interlanguage-link-target"><span>IsiXhosa</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%90%D7%98%D7%90%D7%9D_%D7%A0%D7%95%D7%9E%D7%A2%D7%A8" title="אטאם נומער – Jiddisch" lang="yi" hreflang="yi" data-title="אטאם נומער" data-language-autonym="ייִדיש" data-language-local-name="Jiddisch" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/N%E1%BB%8D%CC%81mb%C3%A0_%C3%A1t%E1%BB%8D%CC%80m%C3%B9" title="Nọ́mbà átọ̀mù – Yoruba" lang="yo" hreflang="yo" data-title="Nọ́mbà átọ̀mù" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%8E%9F%E5%AD%90%E5%BA%8F%E6%95%B0" title="原子序数 – Chinees" lang="zh" hreflang="zh" data-title="原子序数" data-language-autonym="中文" data-language-local-name="Chinees" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E5%8E%9F%E5%AD%90%E5%BA%8F" title="原子序 – Klassiek Chinees" lang="lzh" hreflang="lzh" data-title="原子序" data-language-autonym="文言" data-language-local-name="Klassiek Chinees" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Go%C3%A2n-ch%C3%BA-hoan" title="Goân-chú-hoan – Minnanyu" lang="nan" hreflang="nan" data-title="Goân-chú-hoan" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnanyu" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%8E%9F%E5%AD%90%E5%BA%8F%E6%95%B8" title="原子序數 – Kantonees" lang="yue" hreflang="yue" data-title="原子序數" data-language-autonym="粵語" data-language-local-name="Kantonees" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/Inani_lobuchwe" title="Inani lobuchwe – Zoeloe" lang="zu" hreflang="zu" data-title="Inani lobuchwe" data-language-autonym="IsiZulu" data-language-local-name="Zoeloe" class="interlanguage-link-target"><span>IsiZulu</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q23809#sitelinks-wikipedia" title="Taalkoppelingen bewerken" class="wbc-editpage">Koppelingen bewerken</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div 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data-file-height="350" /></a></span></span></div></div> </div> <div id="siteSub" class="noprint">Uit Wikipedia, de vrije encyclopedie</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nl" dir="ltr"><p>Het <b>atoomnummer</b> of <b>atoomgetal</b>, symbool: <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle Z}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>Z</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle Z}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1cc6b75e09a8aa3f04d8584b11db534f88fb56bd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.68ex; height:2.176ex;" alt="{\displaystyle Z}"></span>, geeft het aantal <a href="/wiki/Proton_(deeltje)" title="Proton (deeltje)">protonen</a> in een <a href="/wiki/Atoomkern" title="Atoomkern">atoomkern</a> aan. Het atoomnummer is een belangrijk begrip uit de <a href="/wiki/Scheikunde" title="Scheikunde">chemie</a> en de <a href="/wiki/Kwantummechanica" title="Kwantummechanica">kwantummechanica</a>. Een <a href="/wiki/Chemisch_element" title="Chemisch element">element</a> en zijn plaats in het <a href="/wiki/Periodiek_systeem" title="Periodiek systeem">periodiek systeem</a> zijn erdoor vastgelegd. Wanneer het atoom als geheel <a href="/wiki/Elektrische_lading" title="Elektrische lading">elektrisch neutraal</a> is, is het atoomnummer gelijk aan het aantal <a href="/wiki/Elektron_(hoofdbetekenis)" class="mw-redirect" title="Elektron (hoofdbetekenis)">elektronen</a> in de <a href="/wiki/Elektronenschil" title="Elektronenschil">elektronenwolk</a> rond de kern. Juist de elektronen bepalen het chemische gedrag van een atoom. Bij <a href="/wiki/Ion_(deeltje)" title="Ion (deeltje)">ionen</a>, dat zijn atomen die niet elektrisch neutraal zijn, is het aantal elektronen ofwel groter ofwel kleiner dan het atoomnummer; <a href="/wiki/Ion_(deeltje)#Kation_en_anion" title="Ion (deeltje)">anionen</a> zijn negatief geladen, <a href="/wiki/Ion_(deeltje)#Kation_en_anion" title="Ion (deeltje)">kationen</a> positief. </p><p>Het atoomnummer kan indien gewenst links onder het symbool van het element worden aangegeven, doorgaans in combinatie met het <a href="/wiki/Massagetal" title="Massagetal">massagetal</a> links boven om een bepaalde <a href="/wiki/Isotoop" title="Isotoop">isotoop</a> aan te duiden, bijvoorbeeld: </p> <ul><li><a href="/wiki/Waterstof_(element)" title="Waterstof (element)">waterstof</a>: <a href="/wiki/Waterstof-1" class="mw-redirect" title="Waterstof-1"><span style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:right"><span style="display:block; line-height:1em; margin:0 0.1em">1</span><span style="display:block; line-height:1em; margin:0 0.1em">1</span></span>H</a> <a href="/wiki/Protium_(isotoop)" title="Protium (isotoop)">protium</a>, <a href="/wiki/Waterstof-2" class="mw-redirect" title="Waterstof-2"><span style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:right"><span style="display:block; line-height:1em; margin:0 0.1em">2</span><span style="display:block; line-height:1em; margin:0 0.1em">1</span></span>H</a> <a href="/wiki/Deuterium" title="Deuterium">deuterium</a> en <a href="/wiki/Waterstof-3" class="mw-redirect" title="Waterstof-3"><span style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:right"><span style="display:block; line-height:1em; margin:0 0.1em">3</span><span style="display:block; line-height:1em; margin:0 0.1em">1</span></span>H</a> <a href="/wiki/Tritium" title="Tritium">tritium</a> en</li></ul> <ul><li><a href="/wiki/Zuurstof_(element)" title="Zuurstof (element)">zuurstof</a>: <a href="/wiki/Zuurstof-15" title="Zuurstof-15"><span style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:right"><span style="display:block; line-height:1em; margin:0 0.1em">15</span><span style="display:block; line-height:1em; margin:0 0.1em">8</span></span>O</a>, <a href="/wiki/Zuurstof-16" title="Zuurstof-16"><span style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:right"><span style="display:block; line-height:1em; margin:0 0.1em">16</span><span style="display:block; line-height:1em; margin:0 0.1em">8</span></span>O</a>, <a href="/wiki/Zuurstof-17" title="Zuurstof-17"><span style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:right"><span style="display:block; line-height:1em; margin:0 0.1em">17</span><span style="display:block; line-height:1em; margin:0 0.1em">8</span></span>O</a>, ...</li></ul> <p>Waterstof heeft atoomgetal één, zuurstof atoomgetal acht. </p><p>Het aantal <a href="/wiki/Neutron" title="Neutron">neutronen</a> in de kern wordt niet door het atoomnummer bepaald. <a href="/wiki/Lijst_van_chemische_elementen" title="Lijst van chemische elementen">Alle chemische elementen</a> hebben atoomkernen, die onderling in het aantal neutronen in de atoomkern verschillen. Daarmee kunnen er dus atomen voorkomen met hetzelfde atoomnummer maar verschillende massa. Deze atomen van hetzelfde element maar met verschillend gewicht worden <a href="/wiki/Isotoop" title="Isotoop">isotopen</a> genoemd. Vooral bij de zwaardere atomen, die met een hoger atoomgetal, is het aantal neutronen groter dan het aantal protonen in de kern. </p> <div class="interProject wiktionary mw-list-item" style="display:none;"><a href="https://nl.wiktionary.org/wiki/Special:Search/atoomnummer" class="extiw" title="wikt:Special:Search/atoomnummer">WikiWoordenboek</a></div><div class="interProjectTemplate"></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Overgenomen van "<a dir="ltr" href="https://nl.wikipedia.org/w/index.php?title=Atoomnummer&oldid=63916624">https://nl.wikipedia.org/w/index.php?title=Atoomnummer&oldid=63916624</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Categorie:Alles" title="Categorie:Alles">Categorieën</a>: <ul><li><a href="/wiki/Categorie:Chemische_grootheid" title="Categorie:Chemische grootheid">Chemische grootheid</a></li><li><a href="/wiki/Categorie:Kernfysica" title="Categorie:Kernfysica">Kernfysica</a></li><li><a href="/wiki/Categorie:Nummer" title="Categorie:Nummer">Nummer</a></li><li><a href="/wiki/Categorie:Periodiek_systeem" title="Categorie:Periodiek systeem">Periodiek systeem</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Deze pagina is voor het laatst bewerkt op 3 mrt 2023 om 19:11.</li> <li id="footer-info-copyright">De tekst is beschikbaar onder de licentie <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.nl">Creative Commons Naamsvermelding/Gelijk delen</a>, er kunnen aanvullende voorwaarden van toepassing zijn. 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