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href="/w/index.php?title=Spesial:Logg_inn&returnto=Ioniseringsenergi&returntoquery=oldid%3D7941854" title="Du oppfordres til å logge inn, men det er ikke obligatorisk [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logg inn</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="Nettsted"> <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">Ioniseringsenergi</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="Gå til en artikkel på et annet språk. Tilgjengelig på 68 språk" > <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-68" 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">68 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Ioniseringsenergi" title="Ioniseringsenergi – dansk" lang="da" hreflang="da" data-title="Ioniseringsenergi" data-language-autonym="Dansk" data-language-local-name="dansk" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Jonisationspotential" title="Jonisationspotential – svensk" lang="sv" hreflang="sv" data-title="Jonisationspotential" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Ionisasie-energie" title="Ionisasie-energie – afrikaans" lang="af" hreflang="af" data-title="Ionisasie-energie" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B7%D8%A7%D9%82%D8%A9_%D8%AA%D8%A3%D9%8A%D9%86" title="طاقة تأين – arabisk" lang="ar" hreflang="ar" data-title="طاقة تأين" data-language-autonym="العربية" data-language-local-name="arabisk" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Enerch%C3%ADa_d%27ionizaci%C3%B3n" title="Enerchía d'ionización – aragonsk" lang="an" hreflang="an" data-title="Enerchía d'ionización" data-language-autonym="Aragonés" data-language-local-name="aragonsk" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Enerx%C3%ADa_d%27ionizaci%C3%B3n" title="Enerxía d'ionización – asturisk" lang="ast" hreflang="ast" data-title="Enerxía d'ionización" data-language-autonym="Asturianu" data-language-local-name="asturisk" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%86%E0%A6%AF%E0%A6%BC%E0%A6%A8%E0%A6%BF%E0%A6%95%E0%A6%B0%E0%A6%A3_%E0%A6%B6%E0%A6%95%E0%A7%8D%E0%A6%A4%E0%A6%BF" title="আয়নিকরণ শক্তি – bengali" lang="bn" hreflang="bn" data-title="আয়নিকরণ শক্তি" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%AD%D0%BD%D0%B5%D1%80%D0%B3%D1%96%D1%8F_%D1%96%D0%B0%D0%BD%D1%96%D0%B7%D0%B0%D1%86%D1%8B%D1%96" title="Энергія іанізацыі – belarusisk" lang="be" hreflang="be" data-title="Энергія іанізацыі" data-language-autonym="Беларуская" data-language-local-name="belarusisk" 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%99%D0%BE%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%BE%D0%BD%D0%BD%D0%B0_%D0%B5%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%8F" title="Йонизационна енергия – bulgarsk" lang="bg" hreflang="bg" data-title="Йонизационна енергия" data-language-autonym="Български" data-language-local-name="bulgarsk" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Energija_ionizacije" title="Energija ionizacije – bosnisk" lang="bs" hreflang="bs" data-title="Energija ionizacije" data-language-autonym="Bosanski" data-language-local-name="bosnisk" 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/Energia_d%27ionitzaci%C3%B3" title="Energia d'ionització – katalansk" lang="ca" hreflang="ca" data-title="Energia d'ionització" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%98%D0%BE%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8_%D1%8D%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D0%B9%C4%95" title="Ионизаци энергийĕ – tsjuvasjisk" lang="cv" hreflang="cv" data-title="Ионизаци энергийĕ" data-language-autonym="Чӑвашла" data-language-local-name="tsjuvasjisk" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Ioniza%C4%8Dn%C3%AD_potenci%C3%A1l" title="Ionizační potenciál – tsjekkisk" lang="cs" hreflang="cs" data-title="Ionizační potenciál" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Egni_%C3%AFoneiddiad" title="Egni ïoneiddiad – walisisk" lang="cy" hreflang="cy" data-title="Egni ïoneiddiad" data-language-autonym="Cymraeg" data-language-local-name="walisisk" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Ionisierungsenergie" title="Ionisierungsenergie – tysk" lang="de" hreflang="de" data-title="Ionisierungsenergie" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Ionisatsioonienergia" title="Ionisatsioonienergia – estisk" lang="et" hreflang="et" data-title="Ionisatsioonienergia" data-language-autonym="Eesti" data-language-local-name="estisk" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%95%CE%BD%CE%AD%CF%81%CE%B3%CE%B5%CE%B9%CE%B1_%CE%B9%CE%BF%CE%BD%CE%B9%CF%83%CE%BC%CE%BF%CF%8D" title="Ενέργεια ιονισμού – gresk" lang="el" hreflang="el" data-title="Ενέργεια ιονισμού" data-language-autonym="Ελληνικά" data-language-local-name="gresk" 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/Ionization_energy" title="Ionization energy – engelsk" lang="en" hreflang="en" data-title="Ionization energy" data-language-autonym="English" data-language-local-name="engelsk" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Energ%C3%ADa_de_ionizaci%C3%B3n" title="Energía de ionización – spansk" lang="es" hreflang="es" data-title="Energía de ionización" data-language-autonym="Español" data-language-local-name="spansk" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Joniga_energio" title="Joniga energio – esperanto" lang="eo" hreflang="eo" data-title="Joniga energio" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Ionizazio-potentzial" title="Ionizazio-potentzial – baskisk" lang="eu" hreflang="eu" data-title="Ionizazio-potentzial" data-language-autonym="Euskara" data-language-local-name="baskisk" 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%A7%D9%86%D8%B1%DA%98%DB%8C_%DB%8C%D9%88%D9%86%D8%B4" title="انرژی یونش – persisk" lang="fa" hreflang="fa" data-title="انرژی یونش" data-language-autonym="فارسی" data-language-local-name="persisk" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/%C3%89nergie_d%27ionisation" title="Énergie d'ionisation – fransk" lang="fr" hreflang="fr" data-title="Énergie d'ionisation" data-language-autonym="Français" data-language-local-name="fransk" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Fuinneamh_ian%C3%BAch%C3%A1in" title="Fuinneamh ianúcháin – irsk" lang="ga" hreflang="ga" data-title="Fuinneamh ianúcháin" data-language-autonym="Gaeilge" data-language-local-name="irsk" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Enerx%C3%ADa_de_ionizaci%C3%B3n" title="Enerxía de ionización – galisisk" lang="gl" hreflang="gl" data-title="Enerxía de ionización" data-language-autonym="Galego" data-language-local-name="galisisk" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9D%B4%EC%98%A8%ED%99%94_%EC%97%90%EB%84%88%EC%A7%80" title="이온화 에너지 – koreansk" lang="ko" hreflang="ko" data-title="이온화 에너지" data-language-autonym="한국어" data-language-local-name="koreansk" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BB%D5%B8%D5%B6%D5%A1%D6%81%D5%B4%D5%A1%D5%B6_%D5%A7%D5%B6%D5%A5%D6%80%D5%A3%D5%AB%D5%A1" title="Իոնացման էներգիա – armensk" lang="hy" hreflang="hy" data-title="Իոնացման էներգիա" data-language-autonym="Հայերեն" data-language-local-name="armensk" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%86%E0%A4%AF%E0%A4%A8%E0%A4%A8_%E0%A4%8A%E0%A4%B0%E0%A5%8D%E0%A4%9C%E0%A4%BE" title="आयनन ऊर्जा – hindi" lang="hi" hreflang="hi" data-title="आयनन ऊर्जा" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Energija_ionizacije" title="Energija ionizacije – kroatisk" lang="hr" hreflang="hr" data-title="Energija ionizacije" data-language-autonym="Hrvatski" data-language-local-name="kroatisk" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Energi_ionisasi" title="Energi ionisasi – indonesisk" lang="id" hreflang="id" data-title="Energi ionisasi" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Energia_di_ionizzazione" title="Energia di ionizzazione – italiensk" lang="it" hreflang="it" data-title="Energia di ionizzazione" data-language-autonym="Italiano" data-language-local-name="italiensk" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%98%E1%83%9D%E1%83%9C%E1%83%98%E1%83%96%E1%83%90%E1%83%AA%E1%83%98%E1%83%98%E1%83%A1_%E1%83%94%E1%83%9C%E1%83%94%E1%83%A0%E1%83%92%E1%83%98%E1%83%90" title="იონიზაციის ენერგია – georgisk" lang="ka" hreflang="ka" data-title="იონიზაციის ენერგია" data-language-autonym="ქართული" data-language-local-name="georgisk" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%98%D0%BE%D0%BD%D0%B4%D0%B0%D0%BB%D1%83_%D0%BF%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D0%B0%D0%BB%D1%8B" title="Иондалу потенциалы – kasakhisk" lang="kk" hreflang="kk" data-title="Иондалу потенциалы" data-language-autonym="Қазақша" data-language-local-name="kasakhisk" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/En%C3%A8ji_iyonizasyon" title="Enèji iyonizasyon – haitisk" lang="ht" hreflang="ht" data-title="Enèji iyonizasyon" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitisk" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Joniz%C4%81cijas_potenci%C4%81ls" title="Jonizācijas potenciāls – latvisk" lang="lv" hreflang="lv" data-title="Jonizācijas potenciāls" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Ionis%C3%A9ierungsenergie" title="Ioniséierungsenergie – luxemburgsk" lang="lb" hreflang="lb" data-title="Ioniséierungsenergie" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgsk" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Ioniz%C3%A1ci%C3%B3s_energia" title="Ionizációs energia – ungarsk" lang="hu" hreflang="hu" data-title="Ionizációs energia" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%95%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%98%D0%B0_%D0%BD%D0%B0_%D1%98%D0%BE%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%98%D0%B0" title="Енергија на јонизација – makedonsk" lang="mk" hreflang="mk" data-title="Енергија на јонизација" data-language-autonym="Македонски" data-language-local-name="makedonsk" 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%AF%E0%B5%8B%E0%B4%A3%E0%B5%80%E0%B4%95%E0%B4%B0%E0%B4%A3_%E0%B4%8A%E0%B5%BC%E0%B4%9C%E0%B4%82" title="അയോണീകരണ ഊർജം – malayalam" lang="ml" hreflang="ml" data-title="അയോണീകരണ ഊർജം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Tenaga_pengionan" title="Tenaga pengionan – malayisk" lang="ms" hreflang="ms" data-title="Tenaga pengionan" data-language-autonym="Bahasa Melayu" data-language-local-name="malayisk" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%98%D0%BE%D0%BD%D1%87%D0%BB%D0%BE%D0%BB%D1%8B%D0%BD_%D1%8D%D0%BD%D0%B5%D1%80%D0%B3%D0%B8" title="Иончлолын энерги – mongolsk" lang="mn" hreflang="mn" data-title="Иончлолын энерги" data-language-autonym="Монгол" data-language-local-name="mongolsk" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ionisatiepotentiaal" title="Ionisatiepotentiaal – nederlandsk" lang="nl" hreflang="nl" data-title="Ionisatiepotentiaal" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A4%E3%82%AA%E3%83%B3%E5%8C%96%E3%82%A8%E3%83%8D%E3%83%AB%E3%82%AE%E3%83%BC" title="イオン化エネルギー – japansk" lang="ja" hreflang="ja" data-title="イオン化エネルギー" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Potencial_d%27ionizacion_dels_elements" title="Potencial d'ionizacion dels elements – oksitansk" lang="oc" hreflang="oc" data-title="Potencial d'ionizacion dels elements" data-language-autonym="Occitan" data-language-local-name="oksitansk" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Ionlashish_energiyasi" title="Ionlashish energiyasi – usbekisk" lang="uz" hreflang="uz" data-title="Ionlashish energiyasi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbekisk" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Ionisatschoonsenergie" title="Ionisatschoonsenergie – nedertysk" lang="nds" hreflang="nds" data-title="Ionisatschoonsenergie" data-language-autonym="Plattdüütsch" data-language-local-name="nedertysk" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Potencja%C5%82_jonizacyjny" title="Potencjał jonizacyjny – polsk" lang="pl" hreflang="pl" data-title="Potencjał jonizacyjny" data-language-autonym="Polski" data-language-local-name="polsk" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Potencial_de_ioniza%C3%A7%C3%A3o" title="Potencial de ionização – portugisisk" lang="pt" hreflang="pt" data-title="Potencial de ionização" data-language-autonym="Português" data-language-local-name="portugisisk" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Energie_de_ionizare" title="Energie de ionizare – rumensk" lang="ro" hreflang="ro" data-title="Energie de ionizare" data-language-autonym="Română" data-language-local-name="rumensk" 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%AD%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%8F_%D0%B8%D0%BE%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%B8" title="Энергия ионизации – russisk" lang="ru" hreflang="ru" data-title="Энергия ионизации" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Energjia_e_jonizuar" title="Energjia e jonizuar – albansk" lang="sq" hreflang="sq" data-title="Energjia e jonizuar" data-language-autonym="Shqip" data-language-local-name="albansk" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%85%E0%B6%BA%E0%B6%B1%E0%B7%93%E0%B6%9A%E0%B6%BB%E0%B6%AB_%E0%B7%81%E0%B6%9A%E0%B7%8A%E0%B6%AD%E0%B7%92%E0%B6%BA" title="අයනීකරණ ශක්තිය – singalesisk" lang="si" hreflang="si" data-title="අයනීකරණ ශක්තිය" data-language-autonym="සිංහල" data-language-local-name="singalesisk" 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/Ionization_energy" title="Ionization energy – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="Ionization energy" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" 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/Ioniza%C4%8Dn%C3%A1_energia" title="Ionizačná energia – slovakisk" lang="sk" hreflang="sk" data-title="Ionizačná energia" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" 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/Ionizacijska_energija" title="Ionizacijska energija – slovensk" lang="sl" hreflang="sl" data-title="Ionizacijska energija" data-language-autonym="Slovenščina" data-language-local-name="slovensk" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%95%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%98%D0%B0_%D1%98%D0%BE%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%98%D0%B5" title="Енергија јонизације – serbisk" lang="sr" hreflang="sr" data-title="Енергија јонизације" data-language-autonym="Српски / srpski" 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href="https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AE%BF%E0%AE%A9%E0%AF%8D%E0%AE%AE%E0%AE%AE%E0%AE%BE%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%AE%E0%AF%8D_%E0%AE%86%E0%AE%B1%E0%AF%8D%E0%AE%B1%E0%AE%B2%E0%AF%8D" title="மின்மமாக்கும் ஆற்றல் – tamil" lang="ta" hreflang="ta" data-title="மின்மமாக்கும் ஆற்றல்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%9E%E0%B8%A5%E0%B8%B1%E0%B8%87%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%84%E0%B8%AD%E0%B8%AD%E0%B8%AD%E0%B9%84%E0%B8%99%E0%B9%80%E0%B8%8B%E0%B8%8A%E0%B8%B1%E0%B8%99" title="พลังงานไอออไนเซชัน – thai" lang="th" hreflang="th" data-title="พลังงานไอออไนเซชัน" data-language-autonym="ไทย" data-language-local-name="thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/%C4%B0yonla%C5%9Fma_enerjisi" title="İyonlaşma enerjisi – tyrkisk" lang="tr" hreflang="tr" data-title="İyonlaşma enerjisi" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tk mw-list-item"><a href="https://tk.wikipedia.org/wiki/Baglany%C5%9Fyk_energi%C3%BDasy" title="Baglanyşyk energiýasy – turkmensk" lang="tk" hreflang="tk" data-title="Baglanyşyk energiýasy" data-language-autonym="Türkmençe" data-language-local-name="turkmensk" class="interlanguage-link-target"><span>Türkmençe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%95%D0%BD%D0%B5%D1%80%D0%B3%D1%96%D1%8F_%D1%96%D0%BE%D0%BD%D1%96%D0%B7%D0%B0%D1%86%D1%96%D1%97" title="Енергія іонізації – ukrainsk" lang="uk" hreflang="uk" data-title="Енергія іонізації" data-language-autonym="Українська" 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href="/w/index.php?title=Ioniseringsenergi&diff=next&oldid=7941854" title="Ioniseringsenergi">diff</a>)</div></div></div></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nb" dir="ltr"><p><b>Ioniseringsenergi</b> (også kalt <b>ionisasjonspotensial</b>) er <a href="/wiki/Energi" title="Energi">energi</a> som kreves for å fjerne ett <a href="/wiki/Elektron" title="Elektron">elektron</a> fra <a href="/wiki/Atom" title="Atom">atomet</a> eller <a href="/wiki/Molekyl" title="Molekyl">molekylet</a> som elektronet er bundet til. Ioniseringsenergi måles i <a href="/wiki/Elektronvolt" title="Elektronvolt">elektronvolt</a> (eV). </p><p>Elektronet kan i det enkelte atomet (<a href="/wiki/Hydrogen" title="Hydrogen">hydrogenatomet</a>) være bundet i forskjellige baner, <i>n</i>, gitt ved <a href="/wiki/Bindingsenergi" title="Bindingsenergi">bindingsenergien</a>: </p> <dl><dd><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 E=-{\frac {k}{n^{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>E</mi> <mo>=</mo> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>k</mi> <msup> <mi>n</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle E=-{\frac {k}{n^{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/899c133756ba870b5e1fbec2016f147caa280671" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:9.967ex; height:5.676ex;" alt="{\displaystyle E=-{\frac {k}{n^{2}}}}"></span></dd></dl> <p>der <i>k</i> er 13,6 eV. </p><p>Ioniseringsenergien for elektronet i den sterkest bundne tilstanden (grunnstilstanden med <i>n</i> = 1), blir da 13,6 eV. </p><p>For molekyler definerer en ioniseringsenergi som den minste energi et molekyl i <a href="/wiki/Gass" title="Gass">gassfasen</a> må tilføres for at elektron skal kunne frigjøres fra molekylet. Det dannes dermed et positivt ladd <a href="/wiki/Ioner" class="mw-redirect" title="Ioner">molekylion</a>. Ioniseringsenergi kan derfor også defineres som den minste energien som må til for å danne et positivt ladet ion. </p><p>Ioniseringsenergier måles ved bombardement med elektroner eller ved belysning med <a href="/wiki/Ultrafiolett_str%C3%A5ling" title="Ultrafiolett stråling">ultrafiolett lys</a>. Den informasjonen som slike målinger gir, er viktig for å forstå ionenes <a href="/wiki/Fysikk" title="Fysikk">fysikk</a> og <a href="/wiki/Kjemi" title="Kjemi">kjemi</a>. </p> <style data-mw-deduplicate="TemplateStyles:r24790658">.mw-parser-output .spire{clear:both;border:1px solid var(--border-color-base,#a2a9b1);border-radius:2px;padding:0.325rem;padding-left:3rem;margin:0.5rem 0;font-size:0.8125rem;background-color:var(--background-color-neutral-subtle,#f8f9fa);background-image:url("https://upload.wikimedia.org/wikipedia/commons/2/2d/Stub_W.svg"),url("https://upload.wikimedia.org/wikipedia/commons/c/ce/Emojione_1F331.svg"),url("https://upload.wikimedia.org/wikipedia/commons/7/7a/Grass_compartment.svg");background-repeat:no-repeat;background-position:0.5rem center,bottom right 0.5rem,bottom -2.1rem right -4rem;background-size:2rem,1.8rem,10rem;padding-right:3rem;text-align:start}</style> <div class="spire plainlinks">Denne artikkelen er en <b><a href="/wiki/Wikipedia:Spire" title="Wikipedia:Spire">spire</a></b>. 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