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class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=it.wikipedia.org&uselang=it" class=""><span>Fai una donazione</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speciale:CreaUtenza&returnto=Nettunio" title="Si consiglia di registrarsi e di effettuare l'accesso, anche se non è obbligatorio" class=""><span>registrati</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speciale:Entra&returnto=Nettunio" title="Si consiglia di effettuare l'accesso, anche se non è obbligatorio [o]" accesskey="o" class=""><span>entra</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Altre opzioni" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Strumenti personali" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Strumenti personali</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menu utente" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=it.wikipedia.org&uselang=it"><span>Fai una donazione</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciale:CreaUtenza&returnto=Nettunio" title="Si consiglia di registrarsi e di effettuare l'accesso, anche se non è obbligatorio"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>registrati</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciale:Entra&returnto=Nettunio" title="Si consiglia di effettuare l'accesso, anche se non è obbligatorio [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>entra</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"> Pagine per utenti anonimi <a href="/wiki/Aiuto:Benvenuto" aria-label="Ulteriori informazioni sulla contribuzione"><span>ulteriori informazioni</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/Speciale:MieiContributi" title="Un elenco delle modifiche fatte da questo indirizzo IP [y]" accesskey="y"><span>contributi</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speciale:MieDiscussioni" title="Discussioni sulle modifiche fatte da questo indirizzo IP [n]" accesskey="n"><span>discussioni</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="Sito"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Indice" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Indice</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">nascondi</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inizio</div> </a> </li> <li id="toc-Storia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Storia"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Storia</span> </div> </a> <ul id="toc-Storia-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Caratteristiche" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Caratteristiche"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Caratteristiche</span> </div> </a> <ul id="toc-Caratteristiche-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Disponibilità" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Disponibilità"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Disponibilità</span> </div> </a> <ul id="toc-Disponibilità-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Isotopi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Isotopi"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Isotopi</span> </div> </a> <ul id="toc-Isotopi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Composti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Composti"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Composti</span> </div> </a> <ul id="toc-Composti-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Inquinamento_da_237Np_nel_lungo_periodo" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Inquinamento_da_237Np_nel_lungo_periodo"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Inquinamento da <sup>237</sup>Np nel lungo periodo</span> </div> </a> <ul id="toc-Inquinamento_da_237Np_nel_lungo_periodo-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Applicazioni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Applicazioni"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Applicazioni</span> </div> </a> <ul id="toc-Applicazioni-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliografia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bibliografia"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Bibliografia</span> </div> </a> <ul id="toc-Bibliografia-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altri_progetti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Altri_progetti"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Altri progetti</span> </div> </a> <ul id="toc-Altri_progetti-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Collegamenti_esterni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Collegamenti_esterni"> <div class="vector-toc-text"> <span class="vector-toc-numb">11</span> <span>Collegamenti esterni</span> </div> </a> <ul id="toc-Collegamenti_esterni-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Indice" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Indice" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostra/Nascondi l'indice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Mostra/Nascondi l'indice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Nettunio</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="Vai a una voce in un'altra lingua. Disponibile in 140 lingue" > <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-140" 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">140 lingue</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/Neptunium" title="Neptunium - afrikaans" lang="af" hreflang="af" data-title="Neptunium" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8A%94%E1%8D%95%E1%89%B2%E1%8B%A9%E1%8A%92%E1%8B%A8%E1%88%9D" title="ኔፕቲዩኒየም - amarico" lang="am" hreflang="am" data-title="ኔፕቲዩኒየም" data-language-autonym="አማርኛ" data-language-local-name="amarico" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Neptunio" title="Neptunio - aragonese" lang="an" hreflang="an" data-title="Neptunio" data-language-autonym="Aragonés" data-language-local-name="aragonese" 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%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9A%E0%A5%82%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्चूनियम - angika" lang="anp" hreflang="anp" data-title="नेप्चूनियम" 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/%D9%86%D8%A8%D8%AA%D9%88%D9%86%D9%8A%D9%88%D9%85" title="نبتونيوم - arabo" lang="ar" hreflang="ar" data-title="نبتونيوم" data-language-autonym="العربية" data-language-local-name="arabo" 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%8A%D9%BE%D8%AA%D9%88%D9%86%D9%8A%D9%88%D9%85" title="نيپتونيوم - arabo marocchino" lang="ary" hreflang="ary" data-title="نيپتونيوم" data-language-autonym="الدارجة" data-language-local-name="arabo marocchino" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%86%D8%A8%D8%AA%D9%88%D9%86%D9%8A%D9%88%D9%85" title="نبتونيوم - arabo egiziano" lang="arz" hreflang="arz" data-title="نبتونيوم" data-language-autonym="مصرى" data-language-local-name="arabo egiziano" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Neptuniu" title="Neptuniu - asturiano" lang="ast" hreflang="ast" data-title="Neptuniu" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Neptunium" title="Neptunium - azerbaigiano" lang="az" hreflang="az" data-title="Neptunium" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaigiano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - baschiro" lang="ba" hreflang="ba" data-title="Нептуний" data-language-autonym="Башҡортса" data-language-local-name="baschiro" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/N%C3%A9ptunium" title="Néptunium - balinese" lang="ban" hreflang="ban" data-title="Néptunium" data-language-autonym="Basa Bali" data-language-local-name="balinese" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D1%96%D0%B9" title="Нептуній - bielorusso" lang="be" hreflang="be" data-title="Нептуній" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9D%D1%8D%D0%BF%D1%82%D1%83%D0%BD_(%D1%8D%D0%BB%D0%B5%D0%BC%D1%8D%D0%BD%D1%82)" title="Нэптун (элемэнт) - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Нэптун (элемэнт)" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - bulgaro" lang="bg" hreflang="bg" data-title="Нептуний" data-language-autonym="Български" data-language-local-name="bulgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9A%E0%A5%81%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्चुनियम - Bhojpuri" lang="bh" hreflang="bh" data-title="नेप्चुनियम" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A8%E0%A7%87%E0%A6%AA%E0%A6%9A%E0%A7%81%E0%A6%A8%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE" title="নেপচুনিয়াম - bengalese" lang="bn" hreflang="bn" data-title="নেপচুনিয়াম" data-language-autonym="বাংলা" data-language-local-name="bengalese" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%93%E0%BD%BA%E0%BD%96%E0%BC%8B%E0%BD%8A%E0%BD%B4%E0%BC%8B%E0%BD%93%E0%BD%B2%E0%BD%98%E0%BC%8D" title="ནེབ་ཊུ་ནིམ། - tibetano" lang="bo" hreflang="bo" data-title="ནེབ་ཊུ་ནིམ།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibetano" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Neptuniom" title="Neptuniom - bretone" lang="br" hreflang="br" data-title="Neptuniom" data-language-autonym="Brezhoneg" data-language-local-name="bretone" 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/Neptunij" title="Neptunij - bosniaco" lang="bs" hreflang="bs" data-title="Neptunij" data-language-autonym="Bosanski" data-language-local-name="bosniaco" 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/Neptuni" title="Neptuni - catalano" lang="ca" hreflang="ca" data-title="Neptuni" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/Neptunium" title="Neptunium - Mindong" lang="cdo" hreflang="cdo" data-title="Neptunium" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Neptunyo" title="Neptunyo - cebuano" lang="ceb" hreflang="ceb" data-title="Neptunyo" data-language-autonym="Cebuano" data-language-local-name="cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-chr mw-list-item"><a href="https://chr.wikipedia.org/wiki/%E1%8F%81%E1%8F%86%E1%8F%9A%E1%8F%82%E1%8E%A5%E1%8E%BB" title="ᏁᏆᏚᏂᎥᎻ - cherokee" lang="chr" hreflang="chr" data-title="ᏁᏆᏚᏂᎥᎻ" data-language-autonym="ᏣᎳᎩ" data-language-local-name="cherokee" class="interlanguage-link-target"><span>ᏣᎳᎩ</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%86%DB%8E%D9%BE%D8%AA%DB%86%D9%86%DB%8C%DB%86%D9%85" title="نێپتۆنیۆم - curdo centrale" lang="ckb" hreflang="ckb" data-title="نێپتۆنیۆم" data-language-autonym="کوردی" data-language-local-name="curdo centrale" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Nettuniu" title="Nettuniu - corso" lang="co" hreflang="co" data-title="Nettuniu" data-language-autonym="Corsu" data-language-local-name="corso" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Neptunium" title="Neptunium - ceco" lang="cs" hreflang="cs" data-title="Neptunium" data-language-autonym="Čeština" data-language-local-name="ceco" 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%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - ciuvascio" lang="cv" hreflang="cv" data-title="Нептуний" data-language-autonym="Чӑвашла" data-language-local-name="ciuvascio" 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/Neptwniwm" title="Neptwniwm - gallese" lang="cy" hreflang="cy" data-title="Neptwniwm" data-language-autonym="Cymraeg" data-language-local-name="gallese" 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/Neptunium" title="Neptunium - danese" lang="da" hreflang="da" data-title="Neptunium" data-language-autonym="Dansk" data-language-local-name="danese" 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/Neptunium" title="Neptunium - tedesco" lang="de" hreflang="de" data-title="Neptunium" data-language-autonym="Deutsch" data-language-local-name="tedesco" 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%A0%CE%BF%CF%83%CE%B5%CE%B9%CE%B4%CF%8E%CE%BD%CE%B9%CE%BF" title="Ποσειδώνιο - greco" lang="el" hreflang="el" data-title="Ποσειδώνιο" data-language-autonym="Ελληνικά" data-language-local-name="greco" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="voce di qualità"><a href="https://en.wikipedia.org/wiki/Neptunium" title="Neptunium - inglese" lang="en" hreflang="en" data-title="Neptunium" data-language-autonym="English" data-language-local-name="inglese" 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/Neptunio" title="Neptunio - esperanto" lang="eo" hreflang="eo" data-title="Neptunio" 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/Neptunio" title="Neptunio - spagnolo" lang="es" hreflang="es" data-title="Neptunio" data-language-autonym="Español" data-language-local-name="spagnolo" 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/Neptuunium" title="Neptuunium - estone" lang="et" hreflang="et" data-title="Neptuunium" data-language-autonym="Eesti" data-language-local-name="estone" 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/Neptunio" title="Neptunio - basco" lang="eu" hreflang="eu" data-title="Neptunio" data-language-autonym="Euskara" data-language-local-name="basco" 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/%D9%86%D9%BE%D8%AA%D9%88%D9%86%DB%8C%D9%85" title="نپتونیم - persiano" lang="fa" hreflang="fa" data-title="نپتونیم" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi badge-Q17559452 badge-recommendedarticle mw-list-item" title="voce consigliata"><a href="https://fi.wikipedia.org/wiki/Neptunium" title="Neptunium - finlandese" lang="fi" hreflang="fi" data-title="Neptunium" data-language-autonym="Suomi" data-language-local-name="finlandese" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Neptunium" title="Neptunium - faroese" lang="fo" hreflang="fo" data-title="Neptunium" data-language-autonym="Føroyskt" data-language-local-name="faroese" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Neptunium" title="Neptunium - francese" lang="fr" hreflang="fr" data-title="Neptunium" data-language-autonym="Français" data-language-local-name="francese" 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/Neptuunium" title="Neptuunium - frisone settentrionale" lang="frr" hreflang="frr" data-title="Neptuunium" data-language-autonym="Nordfriisk" data-language-local-name="frisone settentrionale" 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/Netuni" title="Netuni - friulano" lang="fur" hreflang="fur" data-title="Netuni" data-language-autonym="Furlan" data-language-local-name="friulano" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Neipti%C3%BAiniam" title="Neiptiúiniam - irlandese" lang="ga" hreflang="ga" data-title="Neiptiúiniam" data-language-autonym="Gaeilge" data-language-local-name="irlandese" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Neiptiunium" title="Neiptiunium - gaelico scozzese" lang="gd" hreflang="gd" data-title="Neiptiunium" data-language-autonym="Gàidhlig" data-language-local-name="gaelico scozzese" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Neptunio" title="Neptunio - galiziano" lang="gl" hreflang="gl" data-title="Neptunio" data-language-autonym="Galego" data-language-local-name="galiziano" 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%A8%E0%AB%87%E0%AA%AA%E0%AB%8D%E0%AA%9A%E0%AB%8D%E0%AA%AF%E0%AB%81%E0%AA%A8%E0%AB%80%E0%AA%AF%E0%AA%AE" title="નેપ્ચ્યુનીયમ - gujarati" lang="gu" hreflang="gu" data-title="નેપ્ચ્યુનીયમ" 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/Nep%C3%A7hunium" title="Nepçhunium - mannese" lang="gv" hreflang="gv" data-title="Nepçhunium" data-language-autonym="Gaelg" data-language-local-name="mannese" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Neptunium" title="Neptunium - hakka" lang="hak" hreflang="hak" data-title="Neptunium" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="hakka" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A0%D7%A4%D7%98%D7%95%D7%A0%D7%99%D7%95%D7%9D" title="נפטוניום - ebraico" lang="he" hreflang="he" data-title="נפטוניום" data-language-autonym="עברית" data-language-local-name="ebraico" 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%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%82%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्टूनियम - hindi" lang="hi" hreflang="hi" data-title="नेप्टूनियम" 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/Neptunium" title="Neptunium - hindi figiano" lang="hif" hreflang="hif" data-title="Neptunium" data-language-autonym="Fiji Hindi" data-language-local-name="hindi figiano" 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/Neptunij" title="Neptunij - croato" lang="hr" hreflang="hr" data-title="Neptunij" data-language-autonym="Hrvatski" data-language-local-name="croato" 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/Neptiny%C3%B2m" title="Neptinyòm - creolo haitiano" lang="ht" hreflang="ht" data-title="Neptinyòm" data-language-autonym="Kreyòl ayisyen" data-language-local-name="creolo haitiano" 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/Nept%C3%BAnium" title="Neptúnium - ungherese" lang="hu" hreflang="hu" data-title="Neptúnium" data-language-autonym="Magyar" data-language-local-name="ungherese" 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/%D5%86%D5%A5%D5%BA%D5%BF%D5%B8%D6%82%D5%B6%D5%AB%D5%B8%D6%82%D5%B4" title="Նեպտունիում - armeno" lang="hy" hreflang="hy" data-title="Նեպտունիում" data-language-autonym="Հայերեն" data-language-local-name="armeno" 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/Neptunium" title="Neptunium - interlingua" lang="ia" hreflang="ia" data-title="Neptunium" 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/Neptunium" title="Neptunium - indonesiano" lang="id" hreflang="id" data-title="Neptunium" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Neptunio" title="Neptunio - ido" lang="io" hreflang="io" data-title="Neptunio" 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/Nept%C3%BAn%C3%ADn" title="Neptúnín - islandese" lang="is" hreflang="is" data-title="Neptúnín" data-language-autonym="Íslenska" data-language-local-name="islandese" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%8D%E3%83%97%E3%83%84%E3%83%8B%E3%82%A6%E3%83%A0" title="ネプツニウム - giapponese" lang="ja" hreflang="ja" data-title="ネプツニウム" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/jinmrneptuni" title="jinmrneptuni - lojban" lang="jbo" hreflang="jbo" data-title="jinmrneptuni" data-language-autonym="La .lojban." data-language-local-name="lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Neptunium" title="Neptunium - giavanese" lang="jv" hreflang="jv" data-title="Neptunium" data-language-autonym="Jawa" data-language-local-name="giavanese" 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%9C%E1%83%94%E1%83%9E%E1%83%A2%E1%83%A3%E1%83%9C%E1%83%98%E1%83%A3%E1%83%9B%E1%83%98" title="ნეპტუნიუმი - georgiano" lang="ka" hreflang="ka" data-title="ნეპტუნიუმი" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/N%C9%9Bpt%CA%8An%C9%A9y%C9%94m" title="Nɛptʊnɩyɔm - Kabiye" lang="kbp" hreflang="kbp" data-title="Nɛptʊnɩyɔm" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - kazako" lang="kk" hreflang="kk" data-title="Нептуний" data-language-autonym="Қазақша" data-language-local-name="kazako" 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%A8%E0%B3%86%E0%B2%AA%E0%B3%8D%E0%B2%9A%E0%B3%82%E0%B2%A8%E0%B2%BF%E0%B2%AF%E0%B2%AE%E0%B3%8D" title="ನೆಪ್ಚೂನಿಯಮ್ - kannada" lang="kn" hreflang="kn" data-title="ನೆಪ್ಚೂನಿಯಮ್" 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/%EB%84%B5%ED%88%AC%EB%8A%84" title="넵투늄 - coreano" lang="ko" hreflang="ko" data-title="넵투늄" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - komi" lang="kv" hreflang="kv" data-title="Нептуний" data-language-autonym="Коми" data-language-local-name="komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Neptuniom" title="Neptuniom - cornico" lang="kw" hreflang="kw" data-title="Neptuniom" data-language-autonym="Kernowek" data-language-local-name="cornico" 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%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - kirghiso" lang="ky" hreflang="ky" data-title="Нептуний" data-language-autonym="Кыргызча" data-language-local-name="kirghiso" 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/Neptunium" title="Neptunium - latino" lang="la" hreflang="la" data-title="Neptunium" data-language-autonym="Latina" data-language-local-name="latino" 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/Neptunium" title="Neptunium - lussemburghese" lang="lb" hreflang="lb" data-title="Neptunium" data-language-autonym="Lëtzebuergesch" data-language-local-name="lussemburghese" 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/Neptunium" title="Neptunium - limburghese" lang="li" hreflang="li" data-title="Neptunium" data-language-autonym="Limburgs" data-language-local-name="limburghese" 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/Nettunnio" title="Nettunnio - ligure" lang="lij" hreflang="lij" data-title="Nettunnio" data-language-autonym="Ligure" data-language-local-name="ligure" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Nept%C5%ABnis" title="Neptūnis - lituano" lang="lt" hreflang="lt" data-title="Neptūnis" data-language-autonym="Lietuvių" data-language-local-name="lituano" 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/Nept%C5%ABnijs" title="Neptūnijs - lettone" lang="lv" hreflang="lv" data-title="Neptūnijs" data-language-autonym="Latviešu" data-language-local-name="lettone" 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%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D1%83%D0%BC" title="Нептуниум - macedone" lang="mk" hreflang="mk" data-title="Нептуниум" data-language-autonym="Македонски" data-language-local-name="macedone" 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%A8%E0%B5%86%E0%B4%AA%E0%B5%8D%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%8D%E0%B4%AF%E0%B5%82%E0%B4%A3%E0%B4%BF%E0%B4%AF%E0%B4%82" title="നെപ്റ്റ്യൂണിയം - malayalam" lang="ml" hreflang="ml" data-title="നെപ്റ്റ്യൂണിയം" 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%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8" title="Нептуни - mongolo" lang="mn" hreflang="mn" data-title="Нептуни" data-language-autonym="Монгол" data-language-local-name="mongolo" 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%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9A%E0%A5%82%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्चूनियम - marathi" lang="mr" hreflang="mr" data-title="नेप्चूनियम" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-mrj mw-list-item"><a href="https://mrj.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - mari occidentale" lang="mrj" hreflang="mrj" data-title="Нептуний" data-language-autonym="Кырык мары" data-language-local-name="mari occidentale" class="interlanguage-link-target"><span>Кырык мары</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Neptunium" title="Neptunium - malese" lang="ms" hreflang="ms" data-title="Neptunium" data-language-autonym="Bahasa Melayu" data-language-local-name="malese" 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%94%E1%80%95%E1%80%BA%E1%80%80%E1%80%BB%E1%80%B0%E1%80%94%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="နပ်ကျူနီယမ် - birmano" lang="my" hreflang="my" data-title="နပ်ကျူနီယမ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmano" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-myv mw-list-item"><a href="https://myv.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - erzya" lang="myv" hreflang="myv" data-title="Нептуний" data-language-autonym="Эрзянь" data-language-local-name="erzya" class="interlanguage-link-target"><span>Эрзянь</span></a></li><li class="interlanguage-link interwiki-nah mw-list-item"><a href="https://nah.wikipedia.org/wiki/Tl%C4%81loctepoztli" title="Tlāloctepoztli - Nahuatl" lang="nah" hreflang="nah" data-title="Tlāloctepoztli" data-language-autonym="Nāhuatl" data-language-local-name="Nahuatl" class="interlanguage-link-target"><span>Nāhuatl</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Neptunium" title="Neptunium - basso tedesco" lang="nds" hreflang="nds" data-title="Neptunium" data-language-autonym="Plattdüütsch" data-language-local-name="basso tedesco" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%81%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्टुनियम - newari" lang="new" hreflang="new" data-title="नेप्टुनियम" data-language-autonym="नेपाल भाषा" data-language-local-name="newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Neptunium" title="Neptunium - olandese" lang="nl" hreflang="nl" data-title="Neptunium" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Neptunium" title="Neptunium - norvegese nynorsk" lang="nn" hreflang="nn" data-title="Neptunium" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegese 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/Neptunium" title="Neptunium - norvegese bokmål" lang="nb" hreflang="nb" data-title="Neptunium" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nov mw-list-item"><a href="https://nov.wikipedia.org/wiki/Neptunium" title="Neptunium - novial" lang="nov" hreflang="nov" data-title="Neptunium" data-language-autonym="Novial" data-language-local-name="novial" class="interlanguage-link-target"><span>Novial</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Neptuni" title="Neptuni - occitano" lang="oc" hreflang="oc" data-title="Neptuni" data-language-autonym="Occitan" data-language-local-name="occitano" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Neptunii" title="Neptunii - Livvi-Karelian" lang="olo" hreflang="olo" data-title="Neptunii" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%A8%E0%AD%87%E0%AC%AA%E0%AD%8D%E2%80%8C%E0%AC%9A%E0%AD%81%E0%AC%A8%E0%AC%BF%E0%AC%85%E0%AC%AE" title="ନେପ୍‌ଚୁନିଅମ - odia" lang="or" hreflang="or" data-title="ନେପ୍‌ଚୁନିଅମ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - ossetico" lang="os" hreflang="os" data-title="Нептуний" data-language-autonym="Ирон" data-language-local-name="ossetico" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-pi mw-list-item"><a href="https://pi.wikipedia.org/wiki/%E0%A4%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%81%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्टुनियम - pali" lang="pi" hreflang="pi" data-title="नेप्टुनियम" data-language-autonym="पालि" data-language-local-name="pali" class="interlanguage-link-target"><span>पालि</span></a></li><li class="interlanguage-link interwiki-pl badge-Q17437796 badge-featuredarticle mw-list-item" title="voce in vetrina"><a href="https://pl.wikipedia.org/wiki/Neptun_(pierwiastek)" title="Neptun (pierwiastek) - polacco" lang="pl" hreflang="pl" data-title="Neptun (pierwiastek)" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Netuni" title="Netuni - piemontese" lang="pms" hreflang="pms" data-title="Netuni" data-language-autonym="Piemontèis" data-language-local-name="piemontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%86%DB%8C%D9%BE%DA%86%D9%88%D9%86%DB%8C%D9%85" title="نیپچونیم - Western Punjabi" lang="pnb" hreflang="pnb" data-title="نیپچونیم" 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/%D9%86%DB%90%D9%BE%D9%BC%D9%88%D9%86%D9%8A%D9%88%D9%85" title="نېپټونيوم - pashto" lang="ps" hreflang="ps" data-title="نېپټونيوم" data-language-autonym="پښتو" data-language-local-name="pashto" 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/Nept%C3%BAnio" title="Neptúnio - portoghese" lang="pt" hreflang="pt" data-title="Neptúnio" data-language-autonym="Português" data-language-local-name="portoghese" 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/Niptunyu" title="Niptunyu - quechua" lang="qu" hreflang="qu" data-title="Niptunyu" 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/Neptuniu" title="Neptuniu - rumeno" lang="ro" hreflang="ro" data-title="Neptuniu" data-language-autonym="Română" data-language-local-name="rumeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Neptuniu" title="Neptuniu - arumeno" lang="rup" hreflang="rup" data-title="Neptuniu" data-language-autonym="Armãneashti" data-language-local-name="arumeno" class="interlanguage-link-target"><span>Armãneashti</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - russo" lang="ru" hreflang="ru" data-title="Нептуний" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%81%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्टुनियम - sanscrito" lang="sa" hreflang="sa" data-title="नेप्टुनियम" data-language-autonym="संस्कृतम्" data-language-local-name="sanscrito" 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%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D1%83%D0%BC" title="Нептуниум - sacha" lang="sah" hreflang="sah" data-title="Нептуниум" data-language-autonym="Саха тыла" data-language-local-name="sacha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Net%C3%B9niu" title="Netùniu - sardo" lang="sc" hreflang="sc" data-title="Netùniu" data-language-autonym="Sardu" data-language-local-name="sardo" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Nettuniu" title="Nettuniu - siciliano" lang="scn" hreflang="scn" data-title="Nettuniu" data-language-autonym="Sicilianu" data-language-local-name="siciliano" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Neptunijum" title="Neptunijum - serbo-croato" lang="sh" hreflang="sh" data-title="Neptunijum" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croato" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Neptunium" title="Neptunium - Simple English" lang="en-simple" hreflang="en-simple" data-title="Neptunium" 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/Nept%C3%BAnium" title="Neptúnium - slovacco" lang="sk" hreflang="sk" data-title="Neptúnium" data-language-autonym="Slovenčina" data-language-local-name="slovacco" 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/Neptunij" title="Neptunij - sloveno" lang="sl" hreflang="sl" data-title="Neptunij" data-language-autonym="Slovenščina" data-language-local-name="sloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Neptuni_(element_kimik)" title="Neptuni (element kimik) - albanese" lang="sq" hreflang="sq" data-title="Neptuni (element kimik)" data-language-autonym="Shqip" data-language-local-name="albanese" 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%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D1%98%D1%83%D0%BC" title="Нептунијум - serbo" lang="sr" hreflang="sr" data-title="Нептунијум" data-language-autonym="Српски / srpski" data-language-local-name="serbo" 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/Neptunium" title="Neptunium - saterfriesisch" lang="stq" hreflang="stq" data-title="Neptunium" data-language-autonym="Seeltersk" data-language-local-name="saterfriesisch" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Neptunium" title="Neptunium - svedese" lang="sv" hreflang="sv" data-title="Neptunium" data-language-autonym="Svenska" data-language-local-name="svedese" 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/Neptuni_(elementi)" title="Neptuni (elementi) - swahili" lang="sw" hreflang="sw" data-title="Neptuni (elementi)" 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%A8%E0%AF%86%E0%AE%AA%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AF%82%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D" title="நெப்டியூனியம் - tamil" lang="ta" hreflang="ta" data-title="நெப்டியூனியம்" 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%A8%E0%B1%86%E0%B0%AA%E0%B1%8D%E0%B0%9F%E0%B1%8D%E0%B0%AF%E0%B1%82%E0%B0%A8%E0%B0%BF%E0%B0%AF%E0%B0%82" title="నెప్ట్యూనియం - telugu" lang="te" hreflang="te" data-title="నెప్ట్యూనియం" 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%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - tagico" lang="tg" hreflang="tg" data-title="Нептуний" data-language-autonym="Тоҷикӣ" data-language-local-name="tagico" 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%99%E0%B8%9B%E0%B8%97%E0%B8%B9%E0%B9%80%E0%B8%99%E0%B8%B5%E0%B8%A2%E0%B8%A1" title="เนปทูเนียม - thailandese" lang="th" hreflang="th" data-title="เนปทูเนียม" data-language-autonym="ไทย" data-language-local-name="thailandese" 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/Neptunyo" title="Neptunyo - tagalog" lang="tl" hreflang="tl" data-title="Neptunyo" 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/Nept%C3%BCnyum" title="Neptünyum - turco" lang="tr" hreflang="tr" data-title="Neptünyum" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний - tataro" lang="tt" hreflang="tt" data-title="Нептуний" data-language-autonym="Татарча / tatarça" data-language-local-name="tataro" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D9%86%DB%90%D9%BE%D8%AA%D9%88%D9%86%D9%89%D9%8A" title="نېپتونىي - uiguro" lang="ug" hreflang="ug" data-title="نېپتونىي" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="uiguro" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D1%96%D0%B9" title="Нептуній - ucraino" lang="uk" hreflang="uk" data-title="Нептуній" data-language-autonym="Українська" data-language-local-name="ucraino" 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/%D9%86%DB%8C%D9%BE%DA%86%D9%88%D9%86%DB%8C%D8%A6%D9%85" title="نیپچونیئم - urdu" lang="ur" hreflang="ur" data-title="نیپچونیئم" 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/Neptuniy" title="Neptuniy - uzbeco" lang="uz" hreflang="uz" data-title="Neptuniy" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeco" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Neptunii" title="Neptunii - vepso" lang="vep" hreflang="vep" data-title="Neptunii" data-language-autonym="Vepsän kel’" data-language-local-name="vepso" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Neptuni" title="Neptuni - vietnamita" lang="vi" hreflang="vi" data-title="Neptuni" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Neptunyo" title="Neptunyo - waray" lang="war" hreflang="war" data-title="Neptunyo" 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/%E9%95%8E" title="镎 - wu" lang="wuu" hreflang="wuu" data-title="镎" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D1%83%D0%BC" title="Нептуниум - kalmyk" lang="xal" hreflang="xal" data-title="Нептуниум" data-language-autonym="Хальмг" data-language-local-name="kalmyk" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/N%E1%BA%B9%CC%81pt%C3%BAn%C3%AD%E1%BB%8D%CC%80m" title="Nẹ́ptúníọ̀m - yoruba" lang="yo" hreflang="yo" data-title="Nẹ́ptúníọ̀m" 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/%E9%95%8E" title="镎 - cinese" lang="zh" hreflang="zh" data-title="镎" data-language-autonym="中文" data-language-local-name="cinese" 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/%E9%8C%BC" title="錼 - cinese classico" lang="lzh" hreflang="lzh" data-title="錼" data-language-autonym="文言" data-language-local-name="cinese classico" 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/Neptunium" title="Neptunium - min nan" lang="nan" hreflang="nan" data-title="Neptunium" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" 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/%E9%8C%BC" title="錼 - cantonese" lang="yue" hreflang="yue" data-title="錼" data-language-autonym="粵語" data-language-local-name="cantonese" 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/UmNaphangana" title="UmNaphangana - zulu" lang="zu" hreflang="zu" data-title="UmNaphangana" data-language-autonym="IsiZulu" data-language-local-name="zulu" 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/Q1105#sitelinks-wikipedia" title="Modifica collegamenti interlinguistici" class="wbc-editpage">Modifica collegamenti</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespace"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Nettunio" title="Vedi la voce [c]" accesskey="c"><span>Voce</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussione:Nettunio" rel="discussion" title="Vedi le discussioni relative a questa pagina [t]" accesskey="t"><span>Discussione</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Cambia versione linguistica" > <label 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title="Modifica questa pagina [v]" accesskey="v"><span>Modifica</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Nettunio&action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Nettunio&action=history" title="Versioni precedenti di questa pagina [h]" accesskey="h"><span>Cronologia</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Strumenti" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Strumenti</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Strumenti</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">nascondi</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Altre opzioni" > <div class="vector-menu-heading"> Azioni </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Nettunio"><span>Leggi</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Nettunio&veaction=edit" title="Modifica questa pagina [v]" accesskey="v"><span>Modifica</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Nettunio&action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Nettunio&action=history"><span>Cronologia</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generale </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speciale:PuntanoQui/Nettunio" title="Elenco di tutte le pagine che sono collegate a questa [j]" accesskey="j"><span>Puntano qui</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speciale:ModificheCorrelate/Nettunio" rel="nofollow" title="Elenco delle ultime modifiche alle pagine collegate a questa [k]" accesskey="k"><span>Modifiche correlate</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Nettunio&oldid=142441581" title="Collegamento permanente a questa versione di questa pagina"><span>Link permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Nettunio&action=info" title="Ulteriori informazioni su questa pagina"><span>Informazioni pagina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speciale:Cita&page=Nettunio&id=142441581&wpFormIdentifier=titleform" title="Informazioni su come citare questa pagina"><span>Cita questa voce</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speciale:UrlShortener&url=https%3A%2F%2Fit.wikipedia.org%2Fwiki%2FNettunio"><span>Ottieni URL breve</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speciale:QrCode&url=https%3A%2F%2Fit.wikipedia.org%2Fwiki%2FNettunio"><span>Scarica codice QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Stampa/esporta </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Speciale:Libro&bookcmd=book_creator&referer=Nettunio"><span>Crea un libro</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speciale:DownloadAsPdf&page=Nettunio&action=show-download-screen"><span>Scarica come PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Nettunio&printable=yes" title="Versione stampabile di questa pagina [p]" accesskey="p"><span>Versione stampabile</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In altri progetti </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Neptunium" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1105" title="Collegamento all'elemento connesso dell'archivio dati [g]" accesskey="g"><span>Elemento Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspetto"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspetto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">nascondi</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Da Wikipedia, l'enciclopedia libera.</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="it" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r143074810">.mw-parser-output .sinottico{background-color:#f8f9fa;border:1px solid #c8ccd1;border-spacing:0;clear:right;float:right;font-size:95%;line-height:1.4em;margin:0 0 1em 1.5em;width:280px}.mw-parser-output .sinottico caption{font-weight:bold}.mw-parser-output .sinottico>tbody>tr>th:not(:only-child),.mw-parser-output .sinottico_annidata>tbody>tr>th:not(:only-child){background-color:#f3f3f3;border-right:1px solid #e5e5e8;text-align:left;vertical-align:top}.mw-parser-output .sinottico>tbody>tr:not(:last-child)>td,.mw-parser-output .sinottico>tbody>tr:not(:last-child)>th,.mw-parser-output .sinottico_annidata>tbody>tr>td,.mw-parser-output .sinottico_annidata>tbody>tr>th{border-bottom:1px solid #e0e0e0}.mw-parser-output .sinottico>tbody>tr>td,.mw-parser-output .sinottico>tbody>tr>th:not(:only-child),.mw-parser-output .sinottico_annidata>tbody>tr>td,.mw-parser-output .sinottico_annidata>tbody>tr>th:not(:only-child){padding:.25em .4em}.mw-parser-output .sinottico>tbody>tr>td,.mw-parser-output .sinottico_annidata>tbody>tr>td{vertical-align:middle}.mw-parser-output .sinottico>tbody>tr>td>hr:only-child{margin:0.4em 0.2em}.mw-parser-output .sinottico ul{margin:0 0 0 1em;padding:0}.mw-parser-output .sinottico_annidata{border-spacing:0;margin:0 -.4em;width:calc(100% + calc(.4em*2))}.mw-parser-output .sinottico_annidata:last-child{margin-bottom:-.2em}.mw-parser-output .sinottico_annidata:last-child>tbody>tr:last-child>td,.mw-parser-output .sinottico_annidata:last-child>tbody>tr:last-child>th{border-bottom:none}.mw-parser-output .sinottico_divisione+.sinottico_divisione>th,.mw-parser-output .sinottico_testata+.sinottico_divisione>th{border-top:2px solid #f8f9fa}.mw-parser-output .sinottico_divisione th{background-color:#eeeeee;padding:.15em .4em;text-align:center}.mw-parser-output .sinottico_piede{text-align:center;font-size:90%;background:#EFEFEF}.mw-parser-output .sinottico_piede2{background-color:white;font-size:xx-small;padding-bottom:0;text-align:right}.mw-parser-output .sinottico_sottotitolo{font-size:80%}.mw-parser-output .sinottico_testata th{background-color:#dedede;font-size:116%;padding:.2em .4em;text-align:center}.mw-parser-output .sinottico_testo_centrale{text-align:center}</style><table class="infobox sinottico" summary="Tabella sinottica che riassume i principali dati del soggetto" style="width: 300px;"><tbody><tr class="sinottico_testata"><th colspan="2" style="background:violet;">Nettunio</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"> <table border="0" cellpadding="0" cellspacing="1" align="center" style="border-collapse:separate;width:248px;background-color:transparent;"> <tbody><tr> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #a0ffa0;"><a href="/wiki/Idrogeno" title="Idrogeno"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="border:none;width:7px;padding:0;background-color:transparent;"> </td> <td colspan="14" rowspan="5" style="border:none;padding:0;background-color:transparent;">  </td> <td rowspan="3" style="border:none;width:7px;padding:0;background-color:transparent;"> </td> <td colspan="9" rowspan="3" style="border:none;text-align:center;padding:0;background-color:transparent;"> <table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:transparent;"> <tbody><tr> <td style="font-size:10pt;border:none;padding:0;line-height:1em;background-color:transparent;"><br />93</td> <td style="font-size:16pt;border:none;padding:0;line-height:1em;background-color:transparent;"><b>Np</b></td></tr></tbody></table> </td> <td colspan="5" style="border:none;padding:0;background-color:transparent;"> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #c0ffff;"><a href="/wiki/Elio" title="Elio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff6666;"><a href="/wiki/Litio" title="Litio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffdead;"><a href="/wiki/Berillio" title="Berillio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #cccc99;"><a href="/wiki/Boro" title="Boro"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #a0ffa0;"><a href="/wiki/Carbonio" title="Carbonio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #a0ffa0;"><a href="/wiki/Azoto" title="Azoto"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #a0ffa0;"><a href="/wiki/Ossigeno" title="Ossigeno"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffff99;"><a href="/wiki/Fluoro" title="Fluoro"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #c0ffff;"><a href="/wiki/Neon" title="Neon"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff6666;"><a href="/wiki/Sodio" title="Sodio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffdead;"><a href="/wiki/Magnesio" title="Magnesio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #cccccc;"><a href="/wiki/Alluminio" title="Alluminio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #cccc99;"><a href="/wiki/Silicio" title="Silicio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #a0ffa0;"><a href="/wiki/Fosforo" title="Fosforo"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #a0ffa0;"><a href="/wiki/Zolfo" title="Zolfo"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffff99;"><a href="/wiki/Cloro" title="Cloro"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #c0ffff;"><a href="/wiki/Argon" title="Argon"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff6666;"><a href="/wiki/Potassio" title="Potassio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffdead;"><a href="/wiki/Calcio_(elemento_chimico)" title="Calcio (elemento chimico)"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Scandio" title="Scandio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Titanio" title="Titanio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Vanadio" title="Vanadio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Cromo" title="Cromo"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Manganese" title="Manganese"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Ferro" title="Ferro"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Cobalto" title="Cobalto"><span 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href="/wiki/Uranio" title="Uranio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a class="mw-selflink selflink"><span style="float: left; width: 7px; height: 10px; font-size: 7px; line-height: 7px; word-spacing: 3px; cursor: pointer; border: 1px solid black"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Plutonio" title="Plutonio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Americio" title="Americio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Curio" title="Curio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Berkelio" title="Berkelio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Californio" title="Californio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Einsteinio" title="Einsteinio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Fermio" title="Fermio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Mendelevio" title="Mendelevio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Nobelio" title="Nobelio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff99cc;"><a href="/wiki/Laurenzio" title="Laurenzio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Rutherfordio" title="Rutherfordio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Dubnio" title="Dubnio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Seaborgio" title="Seaborgio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Bohrio" title="Bohrio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Hassio" title="Hassio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Meitnerio" title="Meitnerio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Darmstadtio" title="Darmstadtio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Roentgenio" title="Roentgenio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffc0c0;"><a href="/wiki/Copernicio" title="Copernicio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #e0e0e0;"><a href="/wiki/Nihonio" title="Nihonio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #e0e0e0;"><a href="/wiki/Flerovio" title="Flerovio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #e0e0e0;"><a href="/wiki/Moscovio" title="Moscovio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #e0e0e0;"><a href="/wiki/Livermorio" title="Livermorio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #fcfecc;"><a href="/wiki/Tennesso" title="Tennesso"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #e8ffff;"><a href="/wiki/Oganesson" title="Oganesson"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ff9999;"><a href="/wiki/Ununennio" title="Ununennio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 9px; height: 12px; border: none; background-color: #ffeedd;"><a href="/wiki/Unbinilio" title="Unbinilio"><span style="float: left; width: 9px; height: 12px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr></tbody></table> <p><a href="/wiki/Uranio" title="Uranio">uranio</a> ← nettunio → <a href="/wiki/Plutonio" title="Plutonio">plutonio</a> </p> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:violet;">Aspetto</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><div class="center"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Np_sphere.jpg" class="mw-file-description" title="Aspetto dell'elemento"><img alt="Aspetto dell'elemento" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Np_sphere.jpg/200px-Np_sphere.jpg" decoding="async" width="200" height="127" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Np_sphere.jpg/300px-Np_sphere.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/03/Np_sphere.jpg/400px-Np_sphere.jpg 2x" data-file-width="466" data-file-height="296" /></a><figcaption>Aspetto dell'elemento</figcaption></figure>Sfera di <sup>237</sup>Np (<span class="nowrap"><span data-sort-value="7000600000000000000♠"></span>6 <a href="/wiki/Chilogrammo" title="Chilogrammo">kg</a></span>) al <a href="/wiki/Los_Alamos_National_Laboratory" title="Los Alamos National Laboratory">Los Alamos National Laboratory</a></div> </td></tr><tr><td class="sinottico_testo_centrale" colspan="2"><div class="center"><b><a href="/wiki/Linea_spettrale" title="Linea spettrale">Linea spettrale</a></b><br /><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Neptunium_spectrum_visible.png" class="mw-file-description" title="Linea spettrale dell'elemento"><img alt="Linea spettrale dell'elemento" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Neptunium_spectrum_visible.png/200px-Neptunium_spectrum_visible.png" decoding="async" width="200" height="34" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Neptunium_spectrum_visible.png/300px-Neptunium_spectrum_visible.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/55/Neptunium_spectrum_visible.png/400px-Neptunium_spectrum_visible.png 2x" data-file-width="7430" data-file-height="1280" /></a><figcaption>Linea spettrale dell'elemento</figcaption></figure></div> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:violet;">Generalità</th></tr><tr><th>Nome, simbolo, numero atomico</th><td>nettunio, Np, 93 </td></tr><tr><th><a href="/wiki/Serie_chimica" title="Serie chimica">Serie</a></th><td><a href="/wiki/Attinoidi" title="Attinoidi">attinoidi</a> </td></tr><tr><th><a href="/wiki/Gruppo_della_tavola_periodica" title="Gruppo della tavola periodica">Gruppo</a>, <a href="/wiki/Periodo_della_tavola_periodica" title="Periodo della tavola periodica">periodo</a>, <a href="/wiki/Blocco_della_tavola_periodica" title="Blocco della tavola periodica">blocco</a></th><td>— <a href="/wiki/Elementi_del_gruppo_3" title="Elementi del gruppo 3">(3)</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>, <a href="/wiki/Elementi_del_periodo_7" title="Elementi del periodo 7">7</a>, <a href="/wiki/Metalli_del_blocco_f" class="mw-redirect" title="Metalli del blocco f">f</a> </td></tr><tr><th><a href="/wiki/Densit%C3%A0" title="Densità">Densità</a></th><td>18,0-20,45 g/cm³<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-criticality_3-0" class="reference"><a href="#cite_note-criticality-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </td></tr><tr><th>Configurazione elettronica</th><td><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Elektronskal_93.svg" class="mw-file-description" title="Configurazione elettronica"><img alt="Configurazione elettronica" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/Elektronskal_93.svg/125px-Elektronskal_93.svg.png" decoding="async" width="125" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/Elektronskal_93.svg/188px-Elektronskal_93.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/21/Elektronskal_93.svg/250px-Elektronskal_93.svg.png 2x" data-file-width="500" data-file-height="500" /></a><figcaption>Configurazione elettronica</figcaption></figure> </td></tr><tr><th><a href="/wiki/Termine_spettroscopico" title="Termine spettroscopico">Termine spettroscopico</a></th><td><sup>6</sup>L<sub>11/2</sub> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:violet;">Proprietà atomiche</th></tr><tr><th><a href="/wiki/Peso_atomico" class="mw-redirect" title="Peso atomico">Peso atomico</a></th><td><span class="nowrap"><span data-sort-value="7002237048200000000♠"></span>237,0482 <a href="/wiki/Unit%C3%A0_di_massa_atomica" title="Unità di massa atomica">u</a></span> </td></tr><tr><th><a href="/wiki/Raggio_atomico" title="Raggio atomico">Raggio atomico</a> (calc.)</th><td><span class="nowrap"><span data-sort-value="6990155000000000000♠"></span>155 <a href="/wiki/Metro" title="Metro">pm</a></span> </td></tr><tr><th><a href="/wiki/Raggio_covalente" title="Raggio covalente">Raggio covalente</a></th><td><span class="nowrap"><span data-sort-value="6990190000000000000♠"></span>190<span style="margin-left:0.3em;margin-right:0.15em;">±</span>1 <a href="/wiki/Metro" title="Metro">pm</a></span> </td></tr><tr><th><a href="/wiki/Configurazione_elettronica" title="Configurazione elettronica">Configurazione elettronica</a></th><td>[<a href="/wiki/Radon" title="Radon">Rn</a>] 7s<sup>2</sup> 6d<sup>1</sup> 5f<sup>4</sup> </td></tr><tr><th><a href="/wiki/Elettrone" title="Elettrone">e<sup>−</sup></a> per <a href="/wiki/Livello_energetico" title="Livello energetico">livello energetico</a></th><td>2, 8, 18, 32, 22, 9, 2 </td></tr><tr><th><a href="/wiki/Stato_di_ossidazione" title="Stato di ossidazione">Stati di ossidazione</a></th><td>6, <b>5</b>, 4, 3 (<a href="/wiki/Anfotero" title="Anfotero">anfotero</a>) </td></tr><tr><th><a href="/wiki/Cristallo" title="Cristallo">Struttura cristallina</a></th><td><a href="/wiki/Sistema_ortorombico" title="Sistema ortorombico">ortorombica</a>, <a href="/wiki/Sistema_tetragonale" title="Sistema tetragonale">tetragonale</a>, <a href="/wiki/Sistema_cubico" title="Sistema cubico">cubica</a> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:violet;">Proprietà fisiche</th></tr><tr><th><a href="/wiki/Stato_della_materia" title="Stato della materia">Stato della materia</a></th><td><a href="/wiki/Solido" title="Solido">solido</a> (<a href="/wiki/Paramagnetismo" title="Paramagnetismo">paramagnetico</a>) </td></tr><tr><th><a href="/wiki/Punto_di_fusione" title="Punto di fusione">Punto di fusione</a></th><td>910 <a href="/wiki/Kelvin" title="Kelvin">K</a> (637 <a href="/wiki/Grado_Celsius" title="Grado Celsius">°C</a>) </td></tr><tr><th><a href="/wiki/Punto_di_ebollizione" title="Punto di ebollizione">Punto di ebollizione</a></th><td>4 273 K (4 000 °C) </td></tr><tr><th><a href="/wiki/Volume_molare" title="Volume molare">Volume molare</a></th><td><span class="nowrap"><span data-sort-value="6995115900000000000♠"></span>1,159<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−5</sup> <a href="/wiki/Metro_cubo" title="Metro cubo">m³</a>/<a href="/wiki/Mole" title="Mole">mol</a></span> </td></tr><tr><th><a href="/wiki/Entalpia_di_vaporizzazione" title="Entalpia di vaporizzazione">Entalpia di vaporizzazione</a></th><td><span class="nowrap"><span data-sort-value="7005336000000000000♠"></span>336 <a href="/wiki/Joule_per_mole" title="Joule per mole">kJ/mol</a></span> </td></tr><tr><th><a href="/wiki/Calore_di_fusione" class="mw-redirect" title="Calore di fusione">Calore di fusione</a></th><td>5,19 kJ/mol </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:violet;">Altre proprietà</th></tr><tr><th><a href="/wiki/Numero_CAS" title="Numero CAS">Numero CAS</a></th><td><span class="reflink plainlinksneverexpand"><span class="noarchive"><a class="external text" href="https://iw.toolforge.org/magnustools/cas.php?language=it&cas=7439-99-8">7439-99-8</a></span></span> </td></tr><tr><th><a href="/wiki/Elettronegativit%C3%A0" title="Elettronegatività">Elettronegatività</a></th><td>1,36 (<a href="/wiki/Scala_di_Pauling" class="mw-redirect" title="Scala di Pauling">Scala di Pauling</a>) </td></tr><tr><th><a href="/wiki/Conducibilit%C3%A0_elettrica" class="mw-redirect" title="Conducibilità elettrica">Conducibilità elettrica</a></th><td><span class="nowrap"><span data-sort-value="6995822000000000000♠"></span>8,22<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−5</sup></span> /m·Ω </td></tr><tr><th><a href="/wiki/Conducibilit%C3%A0_termica" title="Conducibilità termica">Conducibilità termica</a></th><td>6,3 W/(m·K) </td></tr><tr><th><a href="/wiki/Energia_di_ionizzazione" title="Energia di ionizzazione">Energia di prima ionizzazione</a></th><td>604,5 kJ/mol </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:violet;">Isotopi più stabili</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><table class="wikitable" style="margin: 0;" width="100%"> <tbody><tr><th>iso</th><th>NA</th><th>TD</th><th>DM</th><th>DE</th><th>DP</th></tr> <tr><td><sup>235</sup>Np</td><td><a href="/wiki/Elementi_transuranici#Elementi_sintetici" title="Elementi transuranici">sintetico</a></td> <td>369,1 giorni</td><td><a href="/wiki/Decadimento_alfa" title="Decadimento alfa">α</a><br /><a href="/wiki/Cattura_elettronica" title="Cattura elettronica">ε</a></td><td>5,192<br />0,124</td><td><a href="/wiki/Protoattinio" title="Protoattinio"><sup>231</sup>Pa</a><br /><a href="/wiki/Uranio" title="Uranio"><sup>235</sup>U</a></td></tr><tr><td><sup>236</sup>Np</td><td>sintetico</td> <td><span class="nowrap"><span data-sort-value="7005154000000000000♠"></span>1,54<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>5</sup></span> anni</td><td>ε<br /><a href="/wiki/Decadimento_beta" title="Decadimento beta">β</a><sup>−</sup><br />α</td><td>0,940<br />0,940<br />5,020</td><td><sup>236</sup>U<br /><a href="/wiki/Plutonio" title="Plutonio"><sup>236</sup>Pu</a><br /><sup>232</sup>Pa</td></tr><tr><td><sup>237</sup>Np</td><td>tracce</td> <td><span class="nowrap"><span class="nowrap"><span data-sort-value="7006214400000000000♠"></span>2,144<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>6</sup></span> anni<sup id="cite_ref-IUPAC1_4-0" class="reference"><a href="#cite_note-IUPAC1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></span></td><td>α<br /><a href="/wiki/Fissione_nucleare" title="Fissione nucleare">fiss.</a></td><td>4,959<br /> </td><td><sup>233</sup>Pa<br /> </td></tr><tr><td><sup>239</sup>Np</td><td>sintetico</td> <td>2,355 giorni<sup id="cite_ref-IUPAC1_4-1" class="reference"><a href="#cite_note-IUPAC1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></td><td><a href="/wiki/Decadimento_beta" title="Decadimento beta">β</a><sup>−</sup></td><td> </td><td><a href="/wiki/Plutonio" title="Plutonio"><sup>239</sup>Pu</a></td></tr> </tbody></table> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:violet;"><small>iso: <a href="/wiki/Isotopo" title="Isotopo">isotopo</a><br />NA: abbondanza in natura<br />TD: <a href="/wiki/Emivita_(fisica)" title="Emivita (fisica)">tempo di dimezzamento</a><br />DM: modalità di decadimento<br />DE: energia di decadimento in MeV<br />DP: prodotto del decadimento</small></th></tr></tbody></table> <p>Il <b>nettunio</b> è un <a href="/wiki/Elemento_chimico" title="Elemento chimico">elemento chimico</a> con <a href="/wiki/Numero_atomico" title="Numero atomico">numero atomico</a> 93 e il suo <a href="/wiki/Simbolo_chimico" title="Simbolo chimico">simbolo</a> è <b>Np</b>. È un <a href="/wiki/Elementi_transuranici" title="Elementi transuranici">elemento transuranico</a> incluso nella serie degli <a href="/wiki/Attinoidi" title="Attinoidi">attinoidi</a> sulla <a href="/wiki/Tavola_periodica_degli_elementi" title="Tavola periodica degli elementi">tavola periodica</a>.<sup id="cite_ref-IUPAC1_4-2" class="reference"><a href="#cite_note-IUPAC1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Possiede 19 <a href="/wiki/Isotopo" title="Isotopo">isotopi</a>, tutti instabili<sup id="cite_ref-IUPAC1_4-3" class="reference"><a href="#cite_note-IUPAC1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>, e si presenta, allo stato solido, in 3 forme <a href="/wiki/Allotropia_(chimica)" title="Allotropia (chimica)">allotropiche</a>. Il suo isotopo più stabile (<sup>237</sup>Np) è un sottoprodotto di reazione nei <a href="/wiki/Reattore_nucleare_a_fissione" title="Reattore nucleare a fissione">reattori nucleari</a><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> e trova impiego nella costruzione di rilevatori di <a href="/wiki/Neutrone" title="Neutrone">neutroni</a>. È presente, in tracce, nei <a href="/wiki/Minerale" title="Minerale">minerali</a> di <a href="/wiki/Uranio" title="Uranio">uranio</a>.<sup id="cite_ref-CRC_6-0" class="reference"><a href="#cite_note-CRC-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Storia">Storia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=1" title="Modifica la sezione Storia" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=1" title="Edit section's source code: Storia"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Il nettunio appartiene alla serie degli <a href="/wiki/Attinoidi" title="Attinoidi">attinoidi</a> e fu il primo <a href="/wiki/Elementi_transuranici" title="Elementi transuranici">elemento transuranico</a> ad essere sintetizzato in laboratorio. Fu scoperto e battezzato <i>«nettunio»</i> (dal pianeta <a href="/wiki/Nettuno_(astronomia)" title="Nettuno (astronomia)">Nettuno</a>, per analogia con l'uranio) da <a href="/wiki/Edwin_McMillan" title="Edwin McMillan">Edwin McMillan</a> e <a href="/wiki/Philip_Hauge_Abelson" title="Philip Hauge Abelson">Philip Hauge Abelson</a>, nel <a href="/wiki/1940" title="1940">1940</a>, all'interno del <i>Radiation Laboratory</i> (dal <a href="/wiki/1959" title="1959">1959</a>, <a href="/wiki/Lawrence_Berkeley_National_Laboratory" title="Lawrence Berkeley National Laboratory">Lawrence Berkeley National Laboratory</a>) dell'<a href="/wiki/Universit%C3%A0_della_California_-_Berkeley" title="Università della California - Berkeley">Università di Berkeley</a> in <a href="/wiki/California" title="California">California</a>. I due fisici sintetizzarono l'<a href="/wiki/Isotopo" title="Isotopo">isotopo</a> <sup>239</sup>Np (con un'<a href="/wiki/Emivita_(fisica)" title="Emivita (fisica)">emivita</a> di 2,3 giorni) in un <a href="/wiki/Ciclotrone" title="Ciclotrone">ciclotrone</a> bombardando dell'<a href="/wiki/Uranio" title="Uranio">uranio</a> con <a href="/wiki/Neutrone" title="Neutrone">neutroni lenti</a> (ovvero con energia <span class="nowrap"><span data-sort-value="6981160217648700000♠"></span><1 <a href="/wiki/Elettronvolt" title="Elettronvolt">eV</a></span><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>).<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-EL93_9-0" class="reference"><a href="#cite_note-EL93-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-EST_10-0" class="reference"><a href="#cite_note-EST-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </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 \mathrm {^{238}_{\ 92}U\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 92}^{239}U\ {\xrightarrow[{23\ min}]{\beta ^{-}}}\ _{\ 93}^{239}Np\ {\xrightarrow[{2\ 355\ g}]{\beta ^{-}}}\ _{\ 94}^{239}Pu} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mi></mi> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>92</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>238</mn> </mrow> </msubsup> <mi mathvariant="normal">U</mi> <mtext> </mtext> <mo>+</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msubsup> <mi mathvariant="normal">n</mi> <mtext> </mtext> <mo stretchy="false">⟶</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>92</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>239</mn> </mrow> </msubsup> <mi mathvariant="normal">U</mi> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <munderover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset="-.24em"> <mrow class="MJX-TeXAtom-ORD"> <mn>23</mn> <mtext> </mtext> <mi mathvariant="normal">m</mi> <mi mathvariant="normal">i</mi> <mi mathvariant="normal">n</mi> </mrow> </mpadded> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <msup> <mi>β</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> </msup> </mpadded> </munderover> </mrow> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>93</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>239</mn> </mrow> </msubsup> <mi mathvariant="normal">N</mi> <mi mathvariant="normal">p</mi> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <munderover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset="-.24em"> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <mtext> </mtext> <mn>355</mn> <mtext> </mtext> <mi mathvariant="normal">g</mi> </mrow> </mpadded> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <msup> <mi>β</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> </msup> </mpadded> </munderover> </mrow> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>94</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>239</mn> </mrow> </msubsup> <mi mathvariant="normal">P</mi> <mi mathvariant="normal">u</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {^{238}_{\ 92}U\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 92}^{239}U\ {\xrightarrow[{23\ min}]{\beta ^{-}}}\ _{\ 93}^{239}Np\ {\xrightarrow[{2\ 355\ g}]{\beta ^{-}}}\ _{\ 94}^{239}Pu} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f1920c79f60bdf0eedd65ec618b41367db503d16" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.083ex; margin-top: -0.415ex; margin-bottom: -0.589ex; width:48.001ex; height:6.509ex;" alt="{\displaystyle \mathrm {^{238}_{\ 92}U\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 92}^{239}U\ {\xrightarrow[{23\ min}]{\beta ^{-}}}\ _{\ 93}^{239}Np\ {\xrightarrow[{2\ 355\ g}]{\beta ^{-}}}\ _{\ 94}^{239}Pu} }" /></span></dd></dl> <p>Prima di tale data, sono menzionati in letteratura almeno tre annunci della scoperta dell'elemento 93 – con il nome di <a href="/wiki/Ausonio_(fisica)" title="Ausonio (fisica)">ausonio</a> (<a href="/wiki/Enrico_Fermi" title="Enrico Fermi">Enrico Fermi</a> <a href="/wiki/Et_al." title="Et al.">et alii</a>), di <a href="/w/index.php?title=Boemio&action=edit&redlink=1" class="new" title="Boemio (la pagina non esiste)">boemio</a> nel <a href="/wiki/1934" title="1934">1934</a> e di <a href="/w/index.php?title=Sequanio&action=edit&redlink=1" class="new" title="Sequanio (la pagina non esiste)">sequanio</a> nel <a href="/wiki/1939" title="1939">1939</a> – tutti smentiti da successive verifiche.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Caratteristiche">Caratteristiche</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=2" title="Modifica la sezione Caratteristiche" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=2" title="Edit section's source code: Caratteristiche"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Allo <a href="/wiki/Solido" title="Solido">stato solido</a>, il nettunio si presenta come un <a href="/wiki/Metallo" title="Metallo">metallo</a> di colore <a href="/wiki/Argento_(colore)" title="Argento (colore)">argenteo</a>, discretamente <a href="/wiki/Reazione_chimica" title="Reazione chimica">reattivo</a> ed esistente in tre forme allotropiche<sup id="cite_ref-CRC_6-1" class="reference"><a href="#cite_note-CRC-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-EST_10-1" class="reference"><a href="#cite_note-EST-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup>: </p> <ul><li>α-nettunio: <a href="/wiki/Sistema_ortorombico" title="Sistema ortorombico">ortorombico</a> con densità 20,25 g/cm³ (20 250 kg/m³).</li> <li>β-nettunio (oltre i 280 °C), <a href="/wiki/Sistema_tetragonale" title="Sistema tetragonale">tetragonale</a> con densità 19,36 g/cm³ (19 360 kg/m³) a 313 °C.</li> <li>γ-nettunio (oltre 577 °C), <a href="/wiki/Sistema_cubico" title="Sistema cubico">cubico</a> con densità 18 g/cm³ (18 000 kg/m³) a 600 °C.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Disponibilità"><span id="Disponibilit.C3.A0"></span>Disponibilità</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=3" title="Modifica la sezione Disponibilità" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=3" title="Edit section's source code: Disponibilità"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Tracce di nettunio sono presenti, in natura, nei minerali di uranio come prodotto di <a href="/wiki/Radioattivit%C3%A0" title="Radioattività">decadimento radioattivo</a> del <sup>237</sup>U. L'isotopo <sup>237</sup>Np si può sintetizzare per <a href="/wiki/Riduzione_(chimica)" title="Riduzione (chimica)">riduzione</a> di NpF<sub>3</sub> con vapori di <a href="/wiki/Bario" title="Bario">bario</a> o <a href="/wiki/Litio" title="Litio">litio</a> a circa <span class="nowrap"><span data-sort-value="7003147315000000000♠"></span>1<span style="margin-left:.25em;">200</span> <a href="/wiki/Grado_Celsius" title="Grado Celsius">°C</a></span><sup id="cite_ref-CRC_6-2" class="reference"><a href="#cite_note-CRC-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>, ma prevalentemente si ottiene come sottoprodotto di reazione dal <a href="/wiki/Combustibile_nucleare" title="Combustibile nucleare">combustibile nucleare</a> esausto e/o durante la produzione di <a href="/wiki/Plutonio" title="Plutonio">plutonio</a>. <sup>237</sup>Np viene prodotto anche per <a href="/wiki/Decadimento_alfa" title="Decadimento alfa">decadimento alfa</a> di <a href="/wiki/Americio" title="Americio"><sup>241</sup>Am</a>.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p>Con la cattura di un <a href="/wiki/Neutrone_termico" title="Neutrone termico">neutrone termico</a>, un atomo di <a href="/wiki/Uranio-235" title="Uranio-235"><sup>235</sup>U</a> passa allo <a href="/wiki/Stato_eccitato" class="mw-redirect" title="Stato eccitato">stato eccitato</a> di <sup>236<i>m</i></sup>U, un <a href="/wiki/Isomeria_nucleare" title="Isomeria nucleare">isomero metastabile</a> con un'<a href="/wiki/Emivita_(fisica)" title="Emivita (fisica)">emivita</a> di <span class="nowrap"><span data-sort-value="6988100000000000000♠"></span>1<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−12</sup> <a href="/wiki/Secondo" title="Secondo">s</a></span>.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> Escludendo gli atomi che decadono nuovamente in <sup>235</sup>U per reazioni di <a href="/wiki/Scattering_elastico" title="Scattering elastico">scattering elastico</a> e <a href="/w/index.php?title=Scattering_anelastico&action=edit&redlink=1" class="new" title="Scattering anelastico (la pagina non esiste)">anelastico</a>, circa l'84% dei nuclei eccitati subisce la <a href="/wiki/Fissione_nucleare" title="Fissione nucleare">fissione</a>, mentre il restante 16% decade allo stato fondamentale di <sup>236</sup>U cedendo <span class="nowrap"><span data-sort-value="6988103500601060200♠"></span>6,46 <a href="/wiki/Elettronvolt" title="Elettronvolt">MeV</a></span> sotto forma di <a href="/wiki/Raggi_gamma" title="Raggi gamma">radiazioni gamma</a>.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ESTfissio_16-0" class="reference"><a href="#cite_note-ESTfissio-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><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 \mathrm {^{235}_{\ 92}U\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 92}^{236}U_{m}\ {\xrightarrow[{120\ ns}]{}}\ _{\ 92}^{236}U\ +\ \gamma } }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mi></mi> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>92</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>235</mn> </mrow> </msubsup> <mi mathvariant="normal">U</mi> <mtext> </mtext> <mo>+</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msubsup> <mi mathvariant="normal">n</mi> <mtext> </mtext> <mo stretchy="false">⟶</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>92</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>236</mn> </mrow> </msubsup> <msub> <mi mathvariant="normal">U</mi> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">m</mi> </mrow> </msub> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <munderover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset="-.24em"> <mrow class="MJX-TeXAtom-ORD"> <mn>120</mn> <mtext> </mtext> <mi mathvariant="normal">n</mi> <mi mathvariant="normal">s</mi> </mrow> </mpadded> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"></mpadded> </munderover> </mrow> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>92</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>236</mn> </mrow> </msubsup> <mi mathvariant="normal">U</mi> <mtext> </mtext> <mo>+</mo> <mtext> </mtext> <mi>γ</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {^{235}_{\ 92}U\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 92}^{236}U_{m}\ {\xrightarrow[{120\ ns}]{}}\ _{\ 92}^{236}U\ +\ \gamma } }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4048c0b6e9530b699cddcb3f677768354e643a48" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.78ex; margin-top: -0.405ex; margin-bottom: -0.558ex; width:39.888ex; height:4.676ex;" alt="{\displaystyle \mathrm {^{235}_{\ 92}U\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 92}^{236}U_{m}\ {\xrightarrow[{120\ ns}]{}}\ _{\ 92}^{236}U\ +\ \gamma } }" /></span></dd></dl></dd></dl> <p>Un'ulteriore <a href="/wiki/Cattura_neutronica" title="Cattura neutronica">cattura neutronica</a> produce <sup>237</sup>U che ha un'emivita di 7 giorni e decade rapidamente in <sup>237</sup>Np. </p> <dl><dd><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 \mathrm {^{236}_{\ 92}U\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 92}^{237}U\ {\xrightarrow[{6,75\ g}]{\beta ^{-}}}\ _{\ 93}^{237}Np} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mi></mi> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>92</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>236</mn> </mrow> </msubsup> <mi mathvariant="normal">U</mi> <mtext> </mtext> <mo>+</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msubsup> <mi mathvariant="normal">n</mi> <mtext> </mtext> <mo stretchy="false">⟶</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>92</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>237</mn> </mrow> </msubsup> <mi mathvariant="normal">U</mi> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <munderover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset="-.24em"> <mrow class="MJX-TeXAtom-ORD"> <mn>6</mn> <mo>,</mo> <mn>75</mn> <mtext> </mtext> <mi mathvariant="normal">g</mi> </mrow> </mpadded> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <msup> <mi>β</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> </msup> </mpadded> </munderover> </mrow> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>93</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>237</mn> </mrow> </msubsup> <mi mathvariant="normal">N</mi> <mi mathvariant="normal">p</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {^{236}_{\ 92}U\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 92}^{237}U\ {\xrightarrow[{6,75\ g}]{\beta ^{-}}}\ _{\ 93}^{237}Np} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/995b751d261276fc811d0565d7473f7bdfda8ba0" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.099ex; margin-top: -0.415ex; margin-bottom: -0.572ex; width:34.033ex; height:6.509ex;" alt="{\displaystyle \mathrm {^{236}_{\ 92}U\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 92}^{237}U\ {\xrightarrow[{6,75\ g}]{\beta ^{-}}}\ _{\ 93}^{237}Np} }" /></span></dd></dl></dd></dl> <p><sup>237</sup>U viene prodotto anche tramite una reazione (<a href="/wiki/Neutrone" title="Neutrone">n</a>,2n) con <sup>238</sup>U (ma solo se i neutroni hanno alta energia). </p> <div class="mw-heading mw-heading2"><h2 id="Isotopi">Isotopi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=4" title="Modifica la sezione Isotopi" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=4" title="Edit section's source code: Isotopi"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Sono noti 19 <a href="/wiki/Radionuclide" title="Radionuclide">radioisotopi</a> del nettunio, i più stabili dei quali sono il <sup>237</sup>Np con <a href="/wiki/Emivita_(fisica)" title="Emivita (fisica)">emivita</a> di 2,14 <a href="/wiki/Annum" title="Annum">milioni di anni</a>, il <sup>236</sup>Np con emivita di 154 000 anni e <sup>235</sup>Np con emivita di 396,1 giorni. Tutti gli altri isotopi <a href="/wiki/Radioattivit%C3%A0" title="Radioattività">radioattivi</a> hanno emivite inferiori a 5 giorni e, per la maggior parte, inferiori ad 1 ora. Questo elemento ha anche 4 <a href="/wiki/Isomeria_nucleare" title="Isomeria nucleare">stati metastabili</a>, di cui il più stabile è il <sup>236m</sup>Np (t<sub>½</sub> 22,5 ore).<sup id="cite_ref-envche_18-0" class="reference"><a href="#cite_note-envche-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-tablenuclides_19-0" class="reference"><a href="#cite_note-tablenuclides-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p><p>Gli isotopi di nettunio hanno un <a href="/wiki/Peso_atomico" class="mw-redirect" title="Peso atomico">peso atomico</a> variabile tra 225,034 <a href="/wiki/Unit%C3%A0_di_massa_atomica" title="Unità di massa atomica">u</a> (<sup>225</sup>Np) e 244,068 u (<sup>244</sup>Np). Il principale <a href="/wiki/Modo_di_decadimento" title="Modo di decadimento">modo di decadimento</a> prima dell'isotopo più stabile (<sup>237</sup>Np) è la <a href="/wiki/Cattura_elettronica" title="Cattura elettronica">cattura elettronica</a> (con un <a href="/wiki/Decadimento_alfa" title="Decadimento alfa">decadimento alfa</a> significativo), mentre quello più comune dopo l'isotopo più stabile è il <a href="/wiki/Decadimento_beta" title="Decadimento beta">decadimento beta</a>. I prodotti di decadimento prima di <sup>237</sup>Np sono isotopi di <a href="/wiki/Uranio" title="Uranio">uranio</a> (mentre il decadimento alfa produce, invece, isotopi di <a href="/wiki/Protoattinio" title="Protoattinio">protoattinio</a>) e i prodotti principali dopo di esso sono isotopi di <a href="/wiki/Plutonio" title="Plutonio">plutonio</a>.<sup id="cite_ref-envche_18-1" class="reference"><a href="#cite_note-envche-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-tablenuclides_19-1" class="reference"><a href="#cite_note-tablenuclides-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable" style="font-size:95%; white-space:nowrap"> <tbody><tr> <th rowspan="2">Radionuclide </th> <th>Z(<a href="/wiki/Protone" title="Protone">p</a>) </th> <th>N(<a href="/wiki/Neutrone" title="Neutrone">n</a>) </th> <th> <br /><a href="/wiki/Unit%C3%A0_di_massa_atomica" title="Unità di massa atomica">Massa</a> (u)<br />  </th> <th rowspan="2">emivita </th> <th rowspan="2">spin nucleare </th></tr> <tr> <th colspan="3">energia di eccitazione </th></tr> <tr> <td><sup>225</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">132 </td> <td>225,03391(8) </td> <td>3# ms [>2 µs] </td> <td>9/2−# </td></tr> <tr> <td><sup>226</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">133 </td> <td>226,03515(10)# </td> <td>35(10) ms </td> <td> </td></tr> <tr> <td><sup>227</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">134 </td> <td>227,03496(8) </td> <td>510(60) ms </td> <td>5/2−# </td></tr> <tr> <td><sup>228</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">135 </td> <td>228,03618(21)# </td> <td>61,4(14) s </td> <td> </td></tr> <tr> <td><sup>229</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">136 </td> <td>229,03626(9) </td> <td>4,0(2) min </td> <td>5/2+# </td></tr> <tr> <td><sup>230</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">137 </td> <td>230,03783(6) </td> <td>4,6(3) min </td> <td> </td></tr> <tr> <td><sup>231</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">138 </td> <td>231,03825(5) </td> <td>48,8(2) min </td> <td>(5/2)(+#) </td></tr> <tr> <td><sup>232</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">139 </td> <td>232,04011(11)# </td> <td>14,7(3) min </td> <td>(4+) </td></tr> <tr> <td><sup>233</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">140 </td> <td>233,04074(5) </td> <td>36,2(1) min </td> <td>(5/2+) </td></tr> <tr> <td><sup>234</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">141 </td> <td>234,042895(9) </td> <td>4,4(1) d </td> <td>(0+) </td></tr> <tr> <td><sup>235</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">142 </td> <td>235,0440633(21) </td> <td>396,1(12) d </td> <td>5/2+ </td></tr> <tr> <td><sup>236</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">143 </td> <td>236,04657(5) </td> <td><span class="nowrap"><span data-sort-value="7007154000000000000♠"></span>154(6)<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>3</sup> a</span> </td> <td>(6−) </td></tr> <tr> <td style="text-indent:1em"><sup>236m</sup>Np </td> <td colspan="3" style="text-indent:2em"><span class="nowrap"><span data-sort-value="6985961305892199999♠"></span>60(50) <a href="/wiki/Elettronvolt" title="Elettronvolt">keV</a></span> </td> <td>22,5(4) h </td> <td>1 </td></tr> <tr> <td><sup>237</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">144 </td> <td>237,0481734(20) </td> <td><span class="nowrap"><span data-sort-value="7008214400000000000♠"></span>2,144(7)<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>6</sup> a</span> </td> <td>5/2+ </td></tr> <tr> <td><sup>238</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">145 </td> <td>238,0509464(20) </td> <td>2,117(2) g </td> <td>2+ </td></tr> <tr> <td style="text-indent:1em"><sup>238m</sup>Np </td> <td colspan="3" style="text-indent:2em">2300(200)# keV </td> <td>112(39) ns </td> <td> </td></tr> <tr> <td><sup>239</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">146 </td> <td>239,0529390(22) </td> <td>2,356(3) d </td> <td>5/2+ </td></tr> <tr> <td><sup>240</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">147 </td> <td>240,056162(16) </td> <td>61,9(2) min </td> <td>(5+) </td></tr> <tr> <td style="text-indent:1em"><sup>240m</sup>Np </td> <td colspan="3" style="text-indent:2em">20(15) keV </td> <td>7,22(2) min </td> <td>1(+) </td></tr> <tr> <td><sup>241</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">148 </td> <td>241,05825(8) </td> <td>13,9(2) min </td> <td>(5/2+) </td></tr> <tr> <td><sup>242</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">149 </td> <td>242,06164(21) </td> <td>2,2(2) min </td> <td>(1+) </td></tr> <tr> <td style="text-indent:1em"><sup>242m</sup>Np </td> <td colspan="3" style="text-indent:2em">0(50)# keV </td> <td>5,5(1) min </td> <td>6+# </td></tr> <tr> <td><sup>243</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">150 </td> <td>243,06428(3)# </td> <td>1,85(15) min </td> <td>(5/2−) </td></tr> <tr> <td><sup>244</sup>Np </td> <td style="text-align:right">93 </td> <td style="text-align:right">151 </td> <td>244,06785(32)# </td> <td>2,29(16) min </td> <td>(7−) </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Composti">Composti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=5" title="Modifica la sezione Composti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=5" title="Edit section's source code: Composti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Possiede vari <a href="/wiki/Stato_di_ossidazione" title="Stato di ossidazione">stati di ossidazione</a>, i più alti dei quali sono quelli ottenuti in <a href="/wiki/Soluzione_(chimica)" title="Soluzione (chimica)">soluzione acquosa</a><sup id="cite_ref-EST_10-2" class="reference"><a href="#cite_note-EST-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> come Np<sup>3+</sup> (di colore <a href="/wiki/Porpora" title="Porpora">purpureo</a> analogamente allo ione Pm<sup>3+</sup>) che produce, per ossidazione all'aria, Np<sup>4+</sup> (<a href="/wiki/Verde-giallo" title="Verde-giallo">verde-giallo</a>) e, successivamente, NpO<span style="display:-moz-inline-box;-moz-box-orient:vertical;display:inline-block;vertical-align:bottom;min-height:1em;font-size:80%;line-height:1;margin-bottom:-0.1em;overflow:visible;text-align:left"><span style="display:block;min-height:1em;margin-top:-1.1em;line-height:1;background:transparent;overflow:visible">2+</span><span style="display:block;min-height:1em;background:transparent;line-height:1;overflow:visible">2</span></span> (<a href="/wiki/Rosa_(colore)" title="Rosa (colore)">rosa pallido</a>).<sup id="cite_ref-ChemEn_20-0" class="reference"><a href="#cite_note-ChemEn-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Un altro stato di ossidazione conosciuto è NpO<span style="display:-moz-inline-box;-moz-box-orient:vertical;display:inline-block;vertical-align:bottom;min-height:1em;font-size:80%;line-height:1;margin-bottom:-0.1em;overflow:visible;text-align:left"><span style="display:block;min-height:1em;margin-top:-1.1em;line-height:1;background:transparent;overflow:visible">+</span><span style="display:block;min-height:1em;background:transparent;line-height:1;overflow:visible">2</span></span> (verde bluastro in <a href="/wiki/Soluzione_acquosa" title="Soluzione acquosa">soluzione acquosa</a>) ottenuto per ossidazione di Np<sup>4+</sup> con <a href="/wiki/Acido_nitrico" title="Acido nitrico">acido nitrico</a> caldo.<sup id="cite_ref-ChemEn_20-1" class="reference"><a href="#cite_note-ChemEn-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>I principali composti del nettunio sono gli <a href="/wiki/Alogenuro" title="Alogenuro">alogenuri</a> Np<a href="/wiki/Fluoro" title="Fluoro">F</a><sub>6</sub> (<a href="/wiki/Arancione" title="Arancione">arancione</a>), NpF<sub>4</sub> (<a href="/wiki/Verde" title="Verde">verde</a>), NpF<sub>3</sub> (viola-nero), Np<a href="/wiki/Cloro" title="Cloro">Cl</a><sub>4</sub> (rosso-marrone), Np<a href="/wiki/Cloro" title="Cloro">Cl</a><sub>3</sub> (<a href="/wiki/Bianco" title="Bianco">bianco</a>), Np<a href="/wiki/Bromo" title="Bromo">Br</a><sub>4</sub> (rosso-marrone), Np<a href="/wiki/Bromo" title="Bromo">Br</a><sub>3</sub> (verde), Np<a href="/wiki/Iodio" title="Iodio">I</a><sub>3</sub> (<a href="/wiki/Marrone" title="Marrone">marrone</a>) e gli <a href="/wiki/Ossido" title="Ossido">ossidi</a> Np<sub>3</sub><a href="/wiki/Ossigeno" title="Ossigeno">O</a><sub>8</sub> e NpO<sub>2</sub>.<sup id="cite_ref-EST_10-3" class="reference"><a href="#cite_note-EST-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ChemEn_20-2" class="reference"><a href="#cite_note-ChemEn-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Inquinamento_da_237Np_nel_lungo_periodo">Inquinamento da <sup>237</sup>Np nel lungo periodo</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=6" title="Modifica la sezione Inquinamento da 237Np nel lungo periodo" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=6" title="Edit section's source code: Inquinamento da 237Np nel lungo periodo"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Gli isotopi di nettunio più pesanti decadono rapidamente, mentre quelli più leggeri non possono essere prodotti per cattura neutronica; di conseguenza, la separazione chimica del nettunio dal <a href="/wiki/Combustibile_nucleare" title="Combustibile nucleare">combustibile nucleare esausto</a> produce sostanzialmente il solo <sup>237</sup>Np. Per tale motivo – e per la scarsa rilevanza come prodotto del decadimento naturale nei giacimenti di minerali uranili – questo radionuclide del nettunio si presta come indicatore dell'inquinamento di lungo periodo connesso con le <a href="/wiki/Energia_nucleare_nel_mondo" title="Energia nucleare nel mondo">attività nucleari umane</a>.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p><p>Come altri tre prodotti di fissione (<a href="/wiki/Tecnezio" title="Tecnezio"><sup>99</sup>Tc</a>, <a href="/wiki/Iodio" title="Iodio"><sup>129</sup>I</a> e <sup>234</sup>U) il radioisotopo <sup>237</sup>Np possiede un'emivita molto lunga<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup>, è facilmente solubile in acqua e viene scarsamente assorbito dai minerali per cui, pur essendo un nuclide a bassa emissione radioattiva, potrebbe rappresentare, nel lungo periodo (> <span class="nowrap"><span data-sort-value="7011315576000000000♠"></span>10<span style="margin-left:.25em;">000</span> anni</span> dallo stoccaggio) a causa del progressivo accumulo e dell'elevata mobilità<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup>, l'agente più significativo di <a href="/wiki/Inquinamento_radioattivo" title="Inquinamento radioattivo">inquinamento radioattivo</a> per le <a href="/wiki/Falda_acquifera" title="Falda acquifera">falde acquifere</a> e i <a href="/wiki/Bacino_idrografico" title="Bacino idrografico">bacini idrografici</a> prossimali ai depositi di scorie se questi ultimi dovessero deteriorarsi.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Applicazioni">Applicazioni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=7" title="Modifica la sezione Applicazioni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=7" title="Edit section's source code: Applicazioni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><sup>237</sup>Np trova impiego nella costruzione di <a href="/wiki/Dosimetro" title="Dosimetro">dosimetri</a> di neutroni veloci e ad alta energia<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup>, anche per uso personale<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup>, in campo ospedaliero e industriale.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> Lo stesso radioisotopo del nettunio è anche un prodotto di decadimento dell'<a href="/wiki/Americio" title="Americio">americio</a> presente nei <a href="/wiki/Impianto_di_rilevamento_incendi" class="mw-redirect" title="Impianto di rilevamento incendi">rivelatori di fumo a ionizzazione</a>.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </p><p>L'irradiazione neutronica di <sup>237</sup>Np origina <sup>238</sup>Pu che è una sorgente di <a href="/wiki/Particella_%CE%B1" title="Particella α">particelle α</a> per i <a href="/wiki/Generatore_termoelettrico_a_radioisotopi" title="Generatore termoelettrico a radioisotopi">generatori termoelettrici a radioisotopi</a> (RTG) utilizzati, prevalentemente, nel campo dell'<a href="/wiki/Esplorazione_spaziale" title="Esplorazione spaziale">esplorazione spaziale</a>. <sup>237</sup>Np cattura un neutrone per formare <sup>238</sup>Np che decade – per emissione beta dopo un paio di giorni – in <sup>238</sup>Pu.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </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 \mathrm {^{237}_{\ 93}Np\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 93}^{238}Np\ {\xrightarrow[{2\ 117\ g}]{\beta ^{-}}}\ _{\ 94}^{238}Pu} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mi></mi> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>93</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>237</mn> </mrow> </msubsup> <mi mathvariant="normal">N</mi> <mi mathvariant="normal">p</mi> <mtext> </mtext> <mo>+</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msubsup> <mi mathvariant="normal">n</mi> <mtext> </mtext> <mo stretchy="false">⟶</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>93</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>238</mn> </mrow> </msubsup> <mi mathvariant="normal">N</mi> <mi mathvariant="normal">p</mi> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <munderover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset="-.24em"> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <mtext> </mtext> <mn>117</mn> <mtext> </mtext> <mi mathvariant="normal">g</mi> </mrow> </mpadded> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <msup> <mi>β</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> </msup> </mpadded> </munderover> </mrow> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>94</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>238</mn> </mrow> </msubsup> <mi mathvariant="normal">P</mi> <mi mathvariant="normal">u</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {^{237}_{\ 93}Np\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 93}^{238}Np\ {\xrightarrow[{2\ 117\ g}]{\beta ^{-}}}\ _{\ 94}^{238}Pu} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/43ad68f664abc9f2d9a43043f3a8e92ce6ba00d6" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.099ex; margin-top: -0.415ex; margin-bottom: -0.572ex; width:37.403ex; height:6.509ex;" alt="{\displaystyle \mathrm {^{237}_{\ 93}Np\ +\ _{0}^{1}n\ \longrightarrow \ _{\ 93}^{238}Np\ {\xrightarrow[{2\ 117\ g}]{\beta ^{-}}}\ _{\ 94}^{238}Pu} }" /></span></dd></dl> <p>Il nettunio è <a href="/wiki/Fissione_nucleare" title="Fissione nucleare">fissile</a> e potrebbe teoricamente essere utilizzato come combustibile nei <a href="/wiki/Reattore_a_neutroni_veloci" title="Reattore a neutroni veloci">reattori a neutroni veloci</a> o nelle <a href="/wiki/Arma_nucleare" title="Arma nucleare">armi nucleari</a>.<sup id="cite_ref-critical_34-0" class="reference"><a href="#cite_note-critical-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> Nel <a href="/wiki/1992" title="1992">1992</a>, il <a href="/wiki/Dipartimento_dell%27Energia_degli_Stati_Uniti_d%27America" class="mw-redirect" title="Dipartimento dell'Energia degli Stati Uniti d'America">Dipartimento dell'energia degli Stati Uniti</a> declassificò un documento che attestava la possibilità di impiego di <sup>237</sup>Np nella costruzione di armi nucleari.<sup id="cite_ref-RDD-7_35-0" class="reference"><a href="#cite_note-RDD-7-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> Nel settembre <a href="/wiki/2002" title="2002">2002</a>, alcuni ricercatori dell'<a href="/wiki/Universit%C3%A0_della_California" title="Università della California">Università della California</a> hanno creato, presso il <a href="/wiki/Los_Alamos_National_Laboratory" title="Los Alamos National Laboratory">Los Alamos National Laboratory</a>, la prima <a href="/wiki/Massa_critica_(fisica)" title="Massa critica (fisica)">massa critica</a> di nettunio utilizzando, per gli esperimenti, una sfera di 6 kg di <sup>237</sup>Np circondata da un guscio di <a href="/wiki/Uranio_arricchito" title="Uranio arricchito">uranio arricchito</a>. I risultati degli esperimenti hanno mostrato che la massa critica è compresa attorno ai <span class="nowrap"><span data-sort-value="7001580000000000000♠"></span>58-60 <a href="/wiki/Chilogrammo" title="Chilogrammo">kg</a></span>.<sup id="cite_ref-criticality_3-1" class="reference"><a href="#cite_note-criticality-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=8" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=8" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://web.archive.org/web/20050906232834/http://www.iupac.org/reports/periodic_table/index.html"><span style="font-style:italic;">Periodic Table of the Elements</span></a>, su <span style="font-style:italic;">Iupac.org</span>. <small>URL consultato il 3 aprile 2010</small> <small>(archiviato dall'<abbr title="http://www.iupac.org/reports/periodic_table/index.html">url originale</abbr> il 6 settembre 2005)</small>.</cite></span> </li> <li id="cite_note-2"><a href="#cite_ref-2"><b>^</b></a> <span class="reference-text">A seconda delle forme allotropiche (fonte: <cite class="citation libro" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) K.W. 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Zinner e Geraldo Vicentini, <a rel="nofollow" class="external text" href="http://www.chemistryexplained.com/Ne-Nu/Neptunium.html"><span style="font-style:italic;">Neptunium</span></a>, in <span style="font-style:italic;">Chemistry Encyclopedia</span>, Advameg, 2010.</cite></span> </li> <li id="cite_note-21"><a href="#cite_ref-21"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> Rita Cornelis, Joe Caruso, Helen Crews e Klaus Heumann, <span style="font-style:italic;">Handbook of elemental speciation II</span>, Wiley, Chichester, 2005, p. 535.</cite></span> </li> <li id="cite_note-22"><a href="#cite_ref-22"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> T. M. Beasley, P. R. Dixon e L. J. Mann, <a rel="nofollow" class="external text" href="http://pubs.acs.org/doi/abs/10.1021/es980390d"><span style="font-style:italic;">99Tc, 236U, and 237Np in the Snake River Plain Aquifer at the Idaho National Engineering and Environmental Laboratory, Idaho Falls, Idaho</span></a>, in <span style="font-style:italic;">Environmental Science and Technology</span>, vol. 32, n. 24, 1998, pp. 3875–3881.</cite></span> </li> <li id="cite_note-23"><a href="#cite_ref-23"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> Andrew S. Hursthouse, Murdoch S. Baxter, Francis R. Livensb ed Henry J. Duncanc, <span style="font-style:italic;">Transfer of sellafield-derived 237Np to and within the terrestrial environment</span>, in <span style="font-style:italic;">Journal of Environmental Radioactivity</span>, 14, Issue 2, 1991, pp. 147-174.</cite> Relativo all'analisi di campioni di terreno contaminati dall'impianto nucleare di <a href="/wiki/Sellafield" title="Sellafield">Sellafield</a>.</span> </li> <li id="cite_note-24"><a href="#cite_ref-24"><b>^</b></a> <span class="reference-text">Gli LLFP (<i>Long-lived fission products</i>) sono i prodotti di decadimento con emivita superiore ai 200 000 anni. Per quanto riguarda i radionuclidi menzionati, <sup>99</sup>Tc ha una emivita di 211 000 anni, <sup>234</sup>U di 246 000 anni, <sup>237</sup>Np di 2,144 milioni di anni e <sup>129</sup>I di 15,7 milioni di anni.</span> </li> <li id="cite_note-25"><a href="#cite_ref-25"><b>^</b></a> <span class="reference-text"><sup>237</sup>Np è l'attinoide più mobile tra quelli presenti nei depositi nucleari situati in giacimenti geologici profondi (Roger Eckard, <i>Yucca Mountain – Looking ten thousand years into the future</i>, Los Alamos National Laboratory, 2005).</span> </li> <li id="cite_note-26"><a href="#cite_ref-26"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) R.J. Finch, <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2002AGUSM.M51A..09F"><span style="font-style:italic;">A Structural Study of Neptunium-Bearing Uranium Oxides</span></a>, American Geophysical Union, Spring Meeting, 2002.</cite></span> </li> <li id="cite_note-27"><a href="#cite_ref-27"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) Roger Eckhard, <a rel="nofollow" class="external text" href="https://web.archive.org/web/20111018001635/http://ees.lanl.gov/archive/yuccamtn.shtml"><span style="font-style:italic;">Yucca Mountain – Looking ten thousand years into the future</span></a>, su <span style="font-style:italic;">ees.lanl.gov</span>, <a href="/wiki/Los_Alamos_National_Laboratory" title="Los Alamos National Laboratory">Los Alamos National Laboratory</a>, luglio 2005. <small>URL consultato il 19 maggio 2010</small> <small>(archiviato dall'<abbr title="http://www.ees.lanl.gov/archive/yuccamtn.shtml">url originale</abbr> il 18 ottobre 2011)</small>.</cite></span> </li> <li id="cite_note-28"><a href="#cite_ref-28"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) Lynn Yarris, <a rel="nofollow" class="external text" href="https://newscenter.lbl.gov/feature-stories/2005/11/29/getting-the-neptunium-out-of-nuclear-waste/"><span style="font-style:italic;">Getting the Neptunium out of Nuclear Waste</span></a>, in <span style="font-style:italic;">News Center</span>, Lawrence Berkeley National Laboratory, 29 novembre 2005.</cite></span> </li> <li id="cite_note-29"><a href="#cite_ref-29"><b>^</b></a> <span class="reference-text">I <i>neutroni veloci</i> sono neutroni con energia iniziale compresa tra <span class="nowrap"><span data-sort-value="6986160217648700000♠"></span>100 <a href="/wiki/Elettronvolt" title="Elettronvolt">keV</a></span> e alcune decine di MeV; sono considerati ad <i>alta energia</i> quelli con energia superiore a 100 MeV.</span> </li> <li id="cite_note-30"><a href="#cite_ref-30"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) M. Sohrabia e K. Becker, <span style="font-style:italic;">Fast neutron personnel monitoring by fission fragment registration from 237Np</span>, in <span style="font-style:italic;">Nuclear Instruments and Methods</span>, 148, Issue 3, 1º febbraio 1978, pp. 511-520.</cite></span> </li> <li id="cite_note-31"><a href="#cite_ref-31"><b>^</b></a> <span class="reference-text">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <style data-mw-deduplicate="TemplateStyles:r143194400">.mw-parser-output .itwiki-template-citazione{margin-bottom:.5em;font-size:95%;padding-left:2.4em;padding-right:1.2em}.mw-parser-output .itwiki-template-citazione-doppia{display:flex;gap:1.2em}.mw-parser-output .itwiki-template-citazione-doppia>div{width:0;flex:1 1 0}.mw-parser-output .itwiki-template-citazione-footer{padding:0 1.2em 0 0;margin:-0.8em 0 0 0;font-size:smaller}</style><div class="itwiki-template-citazione"> <div class="itwiki-template-citazione-singola"> <p>«Fission foils are commonly used as dosimetry sensors. […] <sup>235</sup>U, <sup>238</sup>U, <sup>239</sup>Pu, and <sup>237</sup>Np are the most commonly used fissionable/fissile dosimetry materials. […] <sup>237</sup>Np is the most important for spectrum adjustment in that it provides a significant part of its response in the <span class="nowrap"><span data-sort-value="6986160217648700000♠"></span>100 <a href="/wiki/Elettronvolt" title="Elettronvolt">keV</a></span> to 1 MeV region where few other dosimetry sensors are practical.» </p> </div></div> In: <cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) P.J. Griffin <i>et al.</i>, <a rel="nofollow" class="external text" href="https://www.osti.gov/bridge/servlets/purl/431182-taWRq0/webviewable/431182.pdf"><span style="font-style:italic;">Factors affecting use of fission foils as dosimetry sensors – Introduction</span></a> (<span style="font-weight: bolder; font-size:80%"><abbr title="documento in formato PDF">PDF</abbr></span>), su <span style="font-style:italic;">osti.gov</span>, Sandia National Laboratories.</cite></span> </li> <li id="cite_note-32"><a href="#cite_ref-32"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160304142047/http://www.cns-snc.ca/media/pdf_doc/ecc/smoke_am241.pdf"><span style="font-style:italic;">Smoke detectors and americium-241 fact sheet</span></a> (<span style="font-weight: bolder; font-size:80%"><abbr title="documento in formato PDF">PDF</abbr></span>), su <span style="font-style:italic;">cns-snc.ca</span>, Canadian Nuclear Society, ottobre 2008. <small>URL consultato il 19 maggio 2010</small> <small>(archiviato dall'<abbr title="http://www.cns-snc.ca/media/pdf_doc/ecc/smoke_am241.pdf">url originale</abbr> il 4 marzo 2016)</small>.</cite></span> </li> <li id="cite_note-33"><a href="#cite_ref-33"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> Lange, R, <a rel="nofollow" class="external text" href="https://oadoi.org/10.1016/j.enconman.2007.10.028"><span style="font-style:italic;">Review of recent advances of radioisotope power systems</span></a>, in <span style="font-style:italic;">Energy Conversion and Management</span>, vol. 49, 2008, pp. 393–401, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2Fj.enconman.2007.10.028">10.1016/j.enconman.2007.10.028</a>.</cite></span> </li> <li id="cite_note-critical-34"><a href="#cite_ref-critical_34-0"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> P. Weiss, <a rel="nofollow" class="external text" href="https://web.archive.org/web/20061201120103/http://www.findarticles.com/p/articles/mi_m1200/is_17_162/ai_94011322"><span style="font-style:italic;">Little-studied metal goes critical - Neptunium Nukes?</span></a>, su <span style="font-style:italic;">findarticles.com</span>, <a href="/wiki/Science_News" title="Science News">Science News</a>, 26 ottobre 2002. <small>URL consultato il 19 maggio 2010</small> <small>(archiviato dall'<abbr title="http://www.findarticles.com/p/articles/mi_m1200/is_17_162/ai_94011322">url originale</abbr> il 1º dicembre 2006)</small>.</cite></span> </li> <li id="cite_note-RDD-7-35"><a href="#cite_ref-RDD-7_35-0"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="http://www.fas.org/sgp/othergov/doe/rdd-7.html"><span style="font-style:italic;">Restricted Data Declassification Decisions from 1946 until Present</span></a>, su <span style="font-style:italic;">fas.org</span>, Dipartimento dell'Energia degli Stati Uniti d'America, 1º gennaio 2001.</cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Bibliografia">Bibliografia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=9" title="Modifica la sezione Bibliografia" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=9" title="Edit section's source code: Bibliografia"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><cite class="citation libro" style="font-style:normal"> Francesco Borgese, <a rel="nofollow" class="external text" href="http://books.google.it/books?id=9uNyAAAACAAJ"><span style="font-style:italic;">Gli elementi della tavola periodica. Rinvenimento, proprietà, usi. Prontuario chimico, fisico, geologico</span></a>, Roma, CISU, 1993, <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Speciale:RicercaISBN/88-7975-077-1" title="Speciale:RicercaISBN/88-7975-077-1">88-7975-077-1</a>.</cite></li> <li><cite id="CITEREFTavola_periodica_e_proprietà_degli_elementi" class="citation libro" style="font-style:normal"> R. Barbucci, A. Sabatini e P. Dapporto, <a rel="nofollow" class="external text" href="https://web.archive.org/web/20101022060832/http://www.idelsongnocchi.it/online/vmchk/chimica/tavola-periodica-degli-elementi-iupac.html"><span style="font-style:italic;">Tavola periodica e proprietà degli elementi</span></a>, Firenze, Edizioni V. Morelli, 1998 <small>(archiviato dall'<abbr title="http://www.idelsongnocchi.it/online/vmchk/chimica/tavola-periodica-degli-elementi-iupac.html">url originale</abbr> il 22 ottobre 2010)</small>.</cite></li> <li><cite class="citation libro" style="font-style:normal"> Albert Stwertka, <span style="font-style:italic;">Guide to the Elements – Revised Edition</span>, Oxford University Press, 1998, <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Speciale:RicercaISBN/0-19-508083-1" title="Speciale:RicercaISBN/0-19-508083-1">0-19-508083-1</a>.</cite></li></ul> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=10" title="Modifica la sezione Altri progetti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=10" title="Edit section's source code: Altri progetti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div id="interProject" class="toccolours" style="display: none; clear: both; margin-top: 2em"><p id="sisterProjects" style="background-color: #efefef; color: black; font-weight: bold; margin: 0"><span>Altri progetti</span></p><ul title="Collegamenti verso gli altri progetti Wikimedia"> <li class="" title=""><a href="https://it.wiktionary.org/wiki/nettunio" class="extiw" title="wikt:nettunio">Wikizionario</a></li> <li class="" title=""><span class="plainlinks" title="commons:Category:Neptunium"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Neptunium?uselang=it">Wikimedia Commons</a></span></li></ul></div> <ul><li><span typeof="mw:File"><a href="https://it.wiktionary.org/wiki/" title="Collabora a Wikizionario"><img alt="Collabora a Wikizionario" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Wiktionary_small.svg/18px-Wiktionary_small.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Wiktionary_small.svg/27px-Wiktionary_small.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Wiktionary_small.svg/36px-Wiktionary_small.svg.png 2x" data-file-width="350" data-file-height="350" /></a></span> <a href="https://it.wiktionary.org/wiki/" class="extiw" title="wikt:">Wikizionario</a> contiene il lemma di dizionario «<b><a href="https://it.wiktionary.org/wiki/nettunio" class="extiw" title="wikt:nettunio">nettunio</a></b>»</li> <li><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/?uselang=it" title="Collabora a Wikimedia Commons"><img alt="Collabora a Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png" decoding="async" width="18" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/27px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/36px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/?uselang=it">Wikimedia Commons</a></span> contiene immagini o altri file su <b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Neptunium?uselang=it">nettunio</a></span></b></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nettunio&veaction=edit&section=11" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nettunio&action=edit&section=11" title="Edit section's source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li class="mw-empty-elt"></li> <li><cite id="CITEREFTreccani.it" class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://www.treccani.it/enciclopedia/nettunio"><span style="font-style:italic;">nettunio</span></a>, su <span style="font-style:italic;">Treccani.it – Enciclopedie on line</span>, <a href="/wiki/Istituto_dell%27Enciclopedia_Italiana" title="Istituto dell'Enciclopedia Italiana">Istituto dell'Enciclopedia Italiana</a>.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q1105#P3365" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite id="CITEREFBritannica.com" class="citation web" style="font-style:normal">(<span style="font-weight:bolder; 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Usa l'anteprima prima di salvare">M</span></a></div></div><span class="navbox_title"><a href="/wiki/Tavola_periodica_degli_elementi" title="Tavola periodica degli elementi">Tavola periodica degli elementi</a></span></th></tr><tr><td colspan="2" class="navbox_list navbox_center navbox_odd"><table style="width:100%"> <tbody><tr> <td align="center"> <table style="font-size:90%; text-align:center"> <tbody><tr> <td style="background-color:#A0DDA0; width:20px"><a href="/wiki/Idrogeno" title="Idrogeno">H</a></td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="width:20px"> </td> <td style="background-color:#C0DDDD; width:20px"><a href="/wiki/Elio" title="Elio">He</a></td> </tr> <tr> <td style="background-color:#FF6666"><a href="/wiki/Litio" title="Litio">Li</a></td> <td style="background-color:#FFDEAD"><a href="/wiki/Berillio" title="Berillio">Be</a></td> <td colspan="24"> </td> <td style="background-color:#CCCC99"><a href="/wiki/Boro" title="Boro">B</a></td> <td style="background-color:#A0DDA0"><a href="/wiki/Carbonio" title="Carbonio">C</a></td> <td style="background-color:#A0DDA0"><a href="/wiki/Azoto" title="Azoto">N</a></td> <td style="background-color:#A0DDA0"><a href="/wiki/Ossigeno" title="Ossigeno">O</a></td> <td style="background-color:#FFDD00"><a href="/wiki/Fluoro" title="Fluoro">F</a></td> <td style="background-color:#C0DDDD"><a href="/wiki/Neon" title="Neon">Ne</a></td> </tr> <tr> <td style="background-color:#FF6666"><a href="/wiki/Sodio" title="Sodio">Na</a></td> <td style="background-color:#FFDEAD"><a href="/wiki/Magnesio" title="Magnesio">Mg</a></td> <td colspan="24"> </td> <td style="background-color:#CCCCCC"><a href="/wiki/Alluminio" title="Alluminio">Al</a></td> <td style="background-color:#CCCC99"><a href="/wiki/Silicio" title="Silicio">Si</a></td> <td style="background-color:#A0DDA0"><a href="/wiki/Fosforo" title="Fosforo">P</a></td> <td style="background-color:#A0DDA0"><a href="/wiki/Zolfo" title="Zolfo">S</a></td> <td style="background-color:#FFDD00"><a href="/wiki/Cloro" title="Cloro">Cl</a></td> <td style="background-color:#C0DDDD"><a href="/wiki/Argon" title="Argon">Ar</a></td> </tr> <tr> <td style="background-color:#FF6666"><a href="/wiki/Potassio" title="Potassio">K</a></td> <td style="background-color:#FFDEAD"><a href="/wiki/Calcio_(elemento_chimico)" title="Calcio (elemento chimico)">Ca</a></td> <td colspan="14"> </td> <td style="background-color:#FFC0C0"><a href="/wiki/Scandio" title="Scandio">Sc</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Titanio" title="Titanio">Ti</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Vanadio" title="Vanadio">V</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Cromo" title="Cromo">Cr</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Manganese" title="Manganese">Mn</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Ferro" title="Ferro">Fe</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Cobalto" title="Cobalto">Co</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Nichel" title="Nichel">Ni</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Rame" title="Rame">Cu</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Zinco" title="Zinco">Zn</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Gallio_(elemento_chimico)" title="Gallio (elemento chimico)">Ga</a></td> <td style="background-color:#CCCC99"><a href="/wiki/Germanio" title="Germanio">Ge</a></td> <td style="background-color:#CCCC99"><a href="/wiki/Arsenico" title="Arsenico">As</a></td> <td style="background-color:#A0DDA0"><a href="/wiki/Selenio" title="Selenio">Se</a></td> <td style="background-color:#FFDD00"><a href="/wiki/Bromo" title="Bromo">Br</a></td> <td style="background-color:#C0DDDD"><a href="/wiki/Kripton" title="Kripton">Kr</a></td> </tr> <tr> <td style="background-color:#FF6666"><a href="/wiki/Rubidio" title="Rubidio">Rb</a></td> <td style="background-color:#FFDEAD"><a href="/wiki/Stronzio" title="Stronzio">Sr</a></td> <td colspan="14"> </td> <td style="background-color:#FFC0C0"><a href="/wiki/Ittrio" title="Ittrio">Y</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Zirconio" title="Zirconio">Zr</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Niobio" title="Niobio">Nb</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Molibdeno" title="Molibdeno">Mo</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Tecnezio" title="Tecnezio">Tc</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Rutenio" title="Rutenio">Ru</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Rodio" title="Rodio">Rh</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Palladio_(elemento_chimico)" title="Palladio (elemento chimico)">Pd</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Argento" title="Argento">Ag</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Cadmio" title="Cadmio">Cd</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Indio" title="Indio">In</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Stagno_(elemento_chimico)" title="Stagno (elemento chimico)">Sn</a></td> <td style="background-color:#CCCC99"><a href="/wiki/Antimonio" title="Antimonio">Sb</a></td> <td style="background-color:#CCCC99"><a href="/wiki/Tellurio" title="Tellurio">Te</a></td> <td style="background-color:#FFDD00"><a href="/wiki/Iodio" title="Iodio">I</a></td> <td style="background-color:#C0DDDD"><a href="/wiki/Xeno" title="Xeno">Xe</a></td> </tr> <tr> <td style="background-color:#FF6666"><a href="/wiki/Cesio" title="Cesio">Cs</a></td> <td style="background-color:#FFDEAD"><a href="/wiki/Bario" title="Bario">Ba</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Lantanio" title="Lantanio">La</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Cerio" title="Cerio">Ce</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Praseodimio" title="Praseodimio">Pr</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Neodimio" title="Neodimio">Nd</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Promezio" title="Promezio">Pm</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Samario" title="Samario">Sm</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Europio" title="Europio">Eu</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Gadolinio" title="Gadolinio">Gd</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Terbio" title="Terbio">Tb</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Disprosio" title="Disprosio">Dy</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Olmio" title="Olmio">Ho</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Erbio" title="Erbio">Er</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Tulio" title="Tulio">Tm</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Itterbio" title="Itterbio">Yb</a></td> <td style="background-color:#FFBFFF"><a href="/wiki/Lutezio" title="Lutezio">Lu</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Afnio" title="Afnio">Hf</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Tantalio" title="Tantalio">Ta</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Tungsteno" title="Tungsteno">W</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Renio" title="Renio">Re</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Osmio" title="Osmio">Os</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Iridio" title="Iridio">Ir</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Platino" title="Platino">Pt</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Oro" title="Oro">Au</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Mercurio_(elemento_chimico)" title="Mercurio (elemento chimico)">Hg</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Tallio" title="Tallio">Tl</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Piombo" title="Piombo">Pb</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Bismuto" title="Bismuto">Bi</a></td> <td style="background-color:#CCCC99"><a href="/wiki/Polonio" title="Polonio">Po</a></td> <td style="background-color:#FFDD00"><a href="/wiki/Astato" title="Astato">At</a></td> <td style="background-color:#C0DDDD"><a href="/wiki/Radon" title="Radon">Rn</a></td> </tr> <tr> <td style="background-color:#FF6666"><a href="/wiki/Francio" title="Francio">Fr</a></td> <td style="background-color:#FFDEAD"><a href="/wiki/Radio_(elemento_chimico)" title="Radio (elemento chimico)">Ra</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Attinio" title="Attinio">Ac</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Torio" title="Torio">Th</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Protoattinio" title="Protoattinio">Pa</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Uranio" title="Uranio">U</a></td> <td style="background-color:#FF99CC"><a class="mw-selflink selflink">Np</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Plutonio" title="Plutonio">Pu</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Americio" title="Americio">Am</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Curio" title="Curio">Cm</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Berkelio" title="Berkelio">Bk</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Californio" title="Californio">Cf</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Einsteinio" title="Einsteinio">Es</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Fermio" title="Fermio">Fm</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Mendelevio" title="Mendelevio">Md</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Nobelio" title="Nobelio">No</a></td> <td style="background-color:#FF99CC"><a href="/wiki/Laurenzio" title="Laurenzio">Lr</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Rutherfordio" title="Rutherfordio">Rf</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Dubnio" title="Dubnio">Db</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Seaborgio" title="Seaborgio">Sg</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Bohrio" title="Bohrio">Bh</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Hassio" title="Hassio">Hs</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Meitnerio" title="Meitnerio">Mt</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Darmstadtio" title="Darmstadtio">Ds</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Roentgenio" title="Roentgenio">Rg</a></td> <td style="background-color:#FFC0C0"><a href="/wiki/Copernicio" title="Copernicio">Cn</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Nihonio" title="Nihonio">Nh</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Flerovio" title="Flerovio">Fl</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Moscovio" title="Moscovio">Mc</a></td> <td style="background-color:#CCCCCC"><a href="/wiki/Livermorio" title="Livermorio">Lv</a></td> <td style="background-color:#FFDD00"><a href="/wiki/Tennesso" title="Tennesso">Ts</a></td> <td style="background-color:#C0DDDD"><a href="/wiki/Oganesson" title="Oganesson">Og</a></td> </tr> <tr> <td style="background-color:#FF6666"><a href="/wiki/Ununennio" title="Ununennio">Uue</a></td> <td style="background-color:#FFDEAD"><a href="/wiki/Unbinilio" title="Unbinilio">Ubn</a></td> </tr> </tbody></table> </td></tr></tbody></table> <table style="width:100%"> <tbody><tr> <td align="center"> <a href="/wiki/Unbibidi" title="Unbibidi">Unbibidi</a><table style="font-size:90%; text-align:center"> <tbody><tr> <td style="background-color:#FF61CC; width:20px">Ubu</td> <td style="background-color:#FF61CC">Ubb</td> <td style="background-color:#FF61CC">Ubt</td> <td style="background-color:#FF61CC">Ubq</td> <td style="background-color:#FF61CC">Ubp</td> <td style="background-color:#FF61CC">Ubh</td> <td style="background-color:#FF61CC">Ubs</td> <td style="background-color:#FF61CC">Ubo</td> <td style="background-color:#FF61CC">Ube</td> <td style="background-color:#FF61CC">Utn</td> <td style="background-color:#FF61CC">Utu</td> <td style="background-color:#FF61CC">Utb</td> <td style="background-color:#FF61CC">Utt</td> <td style="background-color:#FF61CC">Utq</td> <td style="background-color:#FF61CC">Utp</td> <td style="background-color:#FF61CC">Uth</td> <td style="background-color:#FF61CC">Uts</td> <td style="background-color:#FF61CC">Uto</td> </tr> </tbody></table> </td></tr></tbody></table> <table style="width:100%"> <tbody><tr> <td align="center"> <a href="/wiki/Superattinidi" title="Superattinidi">Superattinidi</a><table style="font-size:90%; text-align:center"> <tbody><tr> <td style="background-color:#FF61CC">Ute</td> <td style="background-color:#FF61CC">Uqn</td> <td style="background-color:#FF61CC">Uqu</td> <td style="background-color:#FF61CC">Uqb</td> <td style="background-color:#FF61CC">Uqt</td> <td style="background-color:#FF61CC">Uqq</td> <td style="background-color:#FF61CC">Uqp</td> <td style="background-color:#FF61CC">Uqh</td> <td style="background-color:#FF61CC">Uqs</td> <td style="background-color:#FF61CC">Uqo</td> <td style="background-color:#FF61CC">Uqe</td> <td style="background-color:#FF61CC">Upn</td> <td style="background-color:#FF61CC">Upu</td> <td style="background-color:#FF61CC">Upb</td> <td style="background-color:#FF61CC">Upt</td> </tr> </tbody></table> </td></tr></tbody></table> <hr /> Suddivisioni della tavola periodica: <a href="/wiki/Gruppo_della_tavola_periodica" title="Gruppo della tavola periodica">Gruppi</a><b> ·</b> <a href="/wiki/Periodo_della_tavola_periodica" title="Periodo della tavola periodica">Periodi</a><b> ·</b> <a href="/wiki/Blocco_della_tavola_periodica" title="Blocco della tavola periodica">Blocchi</a><b> ·</b> <a href="/wiki/Metallo" title="Metallo">Metalli</a><b> ·</b> <a href="/wiki/Metalloide" title="Metalloide">Metalloidi</a> (semimetalli)<b> ·</b> <a href="/wiki/Non_metallo" title="Non metallo">Non metalli</a><b> ·</b> <a href="/wiki/Lantanoidi" title="Lantanoidi">Lantanoidi</a><b> ·</b> <a href="/wiki/Attinoidi" title="Attinoidi">Attinoidi</a><b> ·</b> <a href="/wiki/Superattinidi" title="Superattinidi">Superattinidi</a><b> ·</b> <a href="/wiki/Unbibidi" title="Unbibidi">Unbibidi</a><b> ·</b> <a href="/wiki/Elementi_transuranici" title="Elementi transuranici">Elementi transuranici</a></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r140554510">.mw-parser-output .CdA{border:1px solid #aaa;width:100%;margin:auto;font-size:90%;padding:2px}.mw-parser-output .CdA th{background-color:#f2f2f2;font-weight:bold;width:20%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .CdA 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href="https://d-nb.info/gnd/4171471-4">4171471-4</a></span><span style="font-weight:bold;"> ·</span> <a href="/wiki/Biblioteca_nazionale_di_Israele" title="Biblioteca nazionale di Israele">J9U</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr>, <abbr title="ebraico">HE</abbr></span>) <a rel="nofollow" class="external text" href="https://www.nli.org.il/en/authorities/987007565628105171">987007565628105171</a></span></td></tr></tbody></table> <div class="noprint" style="width:100%; padding: 3px 0; display: flex; flex-wrap: wrap; row-gap: 4px; column-gap: 8px; box-sizing: border-box;"><div style="flex-grow: 1"><style data-mw-deduplicate="TemplateStyles:r140555418">.mw-parser-output .itwiki-template-occhiello{width:100%;line-height:25px;border:1px solid #CCF;background-color:#F0EEFF;box-sizing:border-box}.mw-parser-output .itwiki-template-occhiello-progetto{background-color:#FAFAFA}@media screen{html.skin-theme-clientpref-night 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