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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">Tartalomjegyzék</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">áthelyezés az oldalsávba</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">elrejtés</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">Bevezető</div> </a> </li> <li id="toc-Története" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Története"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Története</span> </div> </a> <ul id="toc-Története-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tulajdonságai" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tulajdonságai"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Tulajdonságai</span> </div> </a> <ul id="toc-Tulajdonságai-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kimutatása" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kimutatása"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Kimutatása</span> </div> </a> <ul id="toc-Kimutatása-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Előfordulása" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Előfordulása"> <div class="vector-toc-text"> <span 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class="vector-toc-numb">7</span> <span>Források</span> </div> </a> <ul id="toc-Források-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="Tartalomjegyzék" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Tartalomjegyzék" > <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="Tartalomjegyzék kinyitása/becsukása" > <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">Tartalomjegyzék kinyitása/becsukása</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">Rádium</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="Ugrás egy más nyelvű szócikkre. Elérhető 153 nyelven" > <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-153" 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">153 nyelv</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="jó szócikk"><a href="https://en.wikipedia.org/wiki/Radium" title="Radium – angol" lang="en" hreflang="en" data-title="Radium" data-language-autonym="English" data-language-local-name="angol" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Radium" title="Radium – afrikaans" lang="af" hreflang="af" data-title="Radium" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Radium" title="Radium – svájci német" lang="gsw" hreflang="gsw" data-title="Radium" data-language-autonym="Alemannisch" data-language-local-name="svájci német" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%88%AB%E1%8B%B2%E1%8B%A8%E1%88%9D" title="ራዲየም – amhara" lang="am" hreflang="am" data-title="ራዲየም" data-language-autonym="አማርኛ" data-language-local-name="amhara" 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/Radio_(elemento)" title="Radio (elemento) – aragonéz" lang="an" hreflang="an" data-title="Radio (elemento)" data-language-autonym="Aragonés" data-language-local-name="aragonéz" 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%B0%E0%A5%87%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="रेडियम – angika" lang="anp" hreflang="anp" data-title="रेडियम" data-language-autonym="अंगिका" data-language-local-name="angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B1%D8%A7%D8%AF%D9%8A%D9%88%D9%85" title="راديوم – arab" lang="ar" hreflang="ar" data-title="راديوم" data-language-autonym="العربية" data-language-local-name="arab" 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/%D8%B1%D8%A7%D8%AF%D9%8A%D9%88%D9%85" title="راديوم – Moroccan Arabic" lang="ary" hreflang="ary" data-title="راديوم" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" 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/%D8%B1%D8%A7%D8%AF%D9%8A%D9%88%D9%85" title="راديوم – Egyptian Arabic" lang="arz" hreflang="arz" data-title="راديوم" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" 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/Radiu_(elementu)" title="Radiu (elementu) – asztúr" lang="ast" hreflang="ast" data-title="Radiu (elementu)" data-language-autonym="Asturianu" data-language-local-name="asztúr" 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/Radium" title="Radium – azerbajdzsáni" lang="az" hreflang="az" data-title="Radium" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzsáni" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%B1%D8%A7%D8%AF%DB%8C%D9%88%D9%85" title="رادیوم – South Azerbaijani" lang="azb" hreflang="azb" data-title="رادیوم" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – baskír" lang="ba" hreflang="ba" data-title="Радий" data-language-autonym="Башҡортса" data-language-local-name="baskír" 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/Radium" title="Radium – balinéz" lang="ban" hreflang="ban" data-title="Radium" data-language-autonym="Basa Bali" data-language-local-name="balinéz" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Radyo_(elemento)" title="Radyo (elemento) – Central Bikol" lang="bcl" hreflang="bcl" data-title="Radyo (elemento)" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D1%8B%D0%B9" title="Радый – belarusz" lang="be" hreflang="be" data-title="Радый" data-language-autonym="Беларуская" data-language-local-name="belarusz" 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%A0%D0%B0%D0%B4_(%D1%8D%D0%BB%D0%B5%D0%BC%D1%8D%D0%BD%D1%82)" title="Рад (элемэнт) – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Рад (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%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – bolgár" lang="bg" hreflang="bg" data-title="Радий" data-language-autonym="Български" data-language-local-name="bolgár" 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%B0%E0%A5%87%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="रेडियम – Bhojpuri" lang="bh" hreflang="bh" data-title="रेडियम" 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%B0%E0%A7%87%E0%A6%A1%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE" title="রেডিয়াম – bangla" lang="bn" hreflang="bn" data-title="রেডিয়াম" data-language-autonym="বাংলা" data-language-local-name="bangla" 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%A2%E0%BD%BA%E0%BC%8B%E0%BD%8C%E0%BD%B2%E0%BD%98%E0%BC%8D" title="རེ་ཌིམ། – tibeti" lang="bo" hreflang="bo" data-title="རེ་ཌིམ།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibeti" 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/Radiom" title="Radiom – breton" lang="br" hreflang="br" data-title="Radiom" data-language-autonym="Brezhoneg" data-language-local-name="breton" 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/Radij" title="Radij – bosnyák" lang="bs" hreflang="bs" data-title="Radij" data-language-autonym="Bosanski" data-language-local-name="bosnyák" 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/Radi_(element)" title="Radi (element) – katalán" lang="ca" hreflang="ca" data-title="Radi (element)" data-language-autonym="Català" data-language-local-name="katalán" 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/L%C3%B2i_(g%C4%ADng-s%E1%B9%B3%CC%86k)" title="Lòi (gĭng-sṳ̆k) – Mindong" lang="cdo" hreflang="cdo" data-title="Lòi (gĭng-sṳ̆k)" 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/Radyo" title="Radyo – szebuano" lang="ceb" hreflang="ceb" data-title="Radyo" data-language-autonym="Cebuano" data-language-local-name="szebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%95%D8%A7%D8%AF%DB%8C%DB%86%D9%85" title="ڕادیۆم – közép-ázsiai kurd" lang="ckb" hreflang="ckb" data-title="ڕادیۆم" data-language-autonym="کوردی" data-language-local-name="közép-ázsiai kurd" 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/Radiu" title="Radiu – korzikai" lang="co" hreflang="co" data-title="Radiu" data-language-autonym="Corsu" data-language-local-name="korzikai" 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/Radium" title="Radium – cseh" lang="cs" hreflang="cs" data-title="Radium" data-language-autonym="Čeština" data-language-local-name="cseh" 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%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – csuvas" lang="cv" hreflang="cv" data-title="Радий" data-language-autonym="Чӑвашла" data-language-local-name="csuvas" 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/Radiwm" title="Radiwm – walesi" lang="cy" hreflang="cy" data-title="Radiwm" data-language-autonym="Cymraeg" data-language-local-name="walesi" 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/Radium" title="Radium – dán" lang="da" hreflang="da" data-title="Radium" data-language-autonym="Dansk" data-language-local-name="dán" 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/Radium" title="Radium – német" lang="de" hreflang="de" data-title="Radium" data-language-autonym="Deutsch" data-language-local-name="német" 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%A1%CE%AC%CE%B4%CE%B9%CE%BF" title="Ράδιο – görög" lang="el" hreflang="el" data-title="Ράδιο" data-language-autonym="Ελληνικά" data-language-local-name="görög" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Radiumo" title="Radiumo – eszperantó" lang="eo" hreflang="eo" data-title="Radiumo" data-language-autonym="Esperanto" data-language-local-name="eszperantó" 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/Radio_(elemento)" title="Radio (elemento) – spanyol" lang="es" hreflang="es" data-title="Radio (elemento)" data-language-autonym="Español" data-language-local-name="spanyol" 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/Raadium" title="Raadium – észt" lang="et" hreflang="et" data-title="Raadium" data-language-autonym="Eesti" data-language-local-name="észt" 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/Radio" title="Radio – baszk" lang="eu" hreflang="eu" data-title="Radio" data-language-autonym="Euskara" data-language-local-name="baszk" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%D8%A7%D8%AF%DB%8C%D9%85" title="رادیم – perzsa" lang="fa" hreflang="fa" data-title="رادیم" data-language-autonym="فارسی" data-language-local-name="perzsa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Radium" title="Radium – finn" lang="fi" hreflang="fi" data-title="Radium" data-language-autonym="Suomi" data-language-local-name="finn" 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/Radium" title="Radium – feröeri" lang="fo" hreflang="fo" data-title="Radium" data-language-autonym="Føroyskt" data-language-local-name="feröeri" 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/Radium" title="Radium – francia" lang="fr" hreflang="fr" data-title="Radium" data-language-autonym="Français" data-language-local-name="francia" 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/Raadium" title="Raadium – északi fríz" lang="frr" hreflang="frr" data-title="Raadium" data-language-autonym="Nordfriisk" data-language-local-name="északi fríz" 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/Radi" title="Radi – friuli" lang="fur" hreflang="fur" data-title="Radi" data-language-autonym="Furlan" data-language-local-name="friuli" 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/Raidiam" title="Raidiam – ír" lang="ga" hreflang="ga" data-title="Raidiam" data-language-autonym="Gaeilge" data-language-local-name="ír" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E9%90%B3" title="鐳 – gan kínai" lang="gan" hreflang="gan" data-title="鐳" data-language-autonym="贛語" data-language-local-name="gan kínai" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Radium" title="Radium – skóciai kelta" lang="gd" hreflang="gd" data-title="Radium" data-language-autonym="Gàidhlig" data-language-local-name="skóciai kelta" 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/Radio_(elemento)" title="Radio (elemento) – gallego" lang="gl" hreflang="gl" data-title="Radio (elemento)" data-language-autonym="Galego" data-language-local-name="gallego" 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%B0%E0%AB%87%E0%AA%A1%E0%AA%BF%E0%AA%AF%E0%AA%AE" title="રેડિયમ – gudzsaráti" lang="gu" hreflang="gu" data-title="રેડિયમ" data-language-autonym="ગુજરાતી" data-language-local-name="gudzsaráti" 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/Raadjum" title="Raadjum – man-szigeti" lang="gv" hreflang="gv" data-title="Raadjum" data-language-autonym="Gaelg" data-language-local-name="man-szigeti" 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/Radium" title="Radium – hakka kínai" lang="hak" hreflang="hak" data-title="Radium" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="hakka kínai" 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%A8%D7%93%D7%99%D7%95%D7%9D" title="רדיום – héber" lang="he" hreflang="he" data-title="רדיום" data-language-autonym="עברית" data-language-local-name="héber" 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%B0%E0%A5%87%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="रेडियम – hindi" lang="hi" hreflang="hi" data-title="रेडियम" 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/Radium" title="Radium – Fiji Hindi" lang="hif" hreflang="hif" data-title="Radium" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Radij" title="Radij – horvát" lang="hr" hreflang="hr" data-title="Radij" data-language-autonym="Hrvatski" data-language-local-name="horvát" 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/Rady%C3%B2m" title="Radyòm – haiti kreol" lang="ht" hreflang="ht" data-title="Radyòm" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haiti kreol" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8C%D5%A1%D5%A4%D5%AB%D5%B8%D6%82%D5%B4" title="Ռադիում – örmény" lang="hy" hreflang="hy" data-title="Ռադիում" data-language-autonym="Հայերեն" data-language-local-name="örmény" 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/Radium" title="Radium – interlingva" lang="ia" hreflang="ia" data-title="Radium" data-language-autonym="Interlingua" data-language-local-name="interlingva" 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/Radium" title="Radium – indonéz" lang="id" hreflang="id" data-title="Radium" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonéz" 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/Radiumo" title="Radiumo – idó" lang="io" hreflang="io" data-title="Radiumo" data-language-autonym="Ido" data-language-local-name="idó" 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/Rad%C3%ADn" title="Radín – izlandi" lang="is" hreflang="is" data-title="Radín" data-language-autonym="Íslenska" data-language-local-name="izlandi" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Radio_(elemento_chimico)" title="Radio (elemento chimico) – olasz" lang="it" hreflang="it" data-title="Radio (elemento chimico)" data-language-autonym="Italiano" data-language-local-name="olasz" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%A9%E3%82%B8%E3%82%A6%E3%83%A0" title="ラジウム – japán" lang="ja" hreflang="ja" data-title="ラジウム" data-language-autonym="日本語" data-language-local-name="japán" 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/dircyjinme" title="dircyjinme – lojban" lang="jbo" hreflang="jbo" data-title="dircyjinme" 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/Radium" title="Radium – jávai" lang="jv" hreflang="jv" data-title="Radium" data-language-autonym="Jawa" data-language-local-name="jávai" 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%A0%E1%83%90%E1%83%93%E1%83%98%E1%83%A3%E1%83%9B%E1%83%98" title="რადიუმი – grúz" lang="ka" hreflang="ka" data-title="რადიუმი" data-language-autonym="ქართული" data-language-local-name="grúz" 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/Rad%C9%A9y%C9%94m" title="Radɩyɔm – Kabiye" lang="kbp" hreflang="kbp" data-title="Radɩyɔm" 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%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – kazah" lang="kk" hreflang="kk" data-title="Радий" data-language-autonym="Қазақша" data-language-local-name="kazah" 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%B0%E0%B3%87%E0%B2%A1%E0%B2%BF%E0%B2%AF%E0%B2%AE%E0%B3%8D" title="ರೇಡಿಯಮ್ – kannada" lang="kn" hreflang="kn" data-title="ರೇಡಿಯಮ್" 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%9D%BC%EB%93%90" title="라듐 – koreai" lang="ko" hreflang="ko" data-title="라듐" data-language-autonym="한국어" data-language-local-name="koreai" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ks mw-list-item"><a href="https://ks.wikipedia.org/wiki/%D8%B1%DB%8C%DA%88%DB%8C%D9%85" title="ریڈیم – kasmíri" lang="ks" hreflang="ks" data-title="ریڈیم" data-language-autonym="कॉशुर / کٲشُر" data-language-local-name="kasmíri" class="interlanguage-link-target"><span>कॉशुर / کٲشُر</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Rady%C3%BBm" title="Radyûm – kurd" lang="ku" hreflang="ku" data-title="Radyûm" data-language-autonym="Kurdî" data-language-local-name="kurd" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – komi" lang="kv" hreflang="kv" data-title="Радий" 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/Radiom" title="Radiom – korni" lang="kw" hreflang="kw" data-title="Radiom" data-language-autonym="Kernowek" data-language-local-name="korni" 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%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – kirgiz" lang="ky" hreflang="ky" data-title="Радий" data-language-autonym="Кыргызча" data-language-local-name="kirgiz" 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/Radium" title="Radium – latin" lang="la" hreflang="la" data-title="Radium" data-language-autonym="Latina" data-language-local-name="latin" 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/Radium" title="Radium – luxemburgi" lang="lb" hreflang="lb" data-title="Radium" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgi" 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/Radium" title="Radium – limburgi" lang="li" hreflang="li" data-title="Radium" data-language-autonym="Limburgs" data-language-local-name="limburgi" 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/Radio_(elemento)" title="Radio (elemento) – ligur" lang="lij" hreflang="lij" data-title="Radio (elemento)" data-language-autonym="Ligure" data-language-local-name="ligur" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Radio_(element_chimich)" title="Radio (element chimich) – lombard" lang="lmo" hreflang="lmo" data-title="Radio (element chimich)" data-language-autonym="Lombard" data-language-local-name="lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Radis" title="Radis – litván" lang="lt" hreflang="lt" data-title="Radis" data-language-autonym="Lietuvių" data-language-local-name="litván" 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/R%C4%81dijs" title="Rādijs – lett" lang="lv" hreflang="lv" data-title="Rādijs" data-language-autonym="Latviešu" data-language-local-name="lett" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mdf mw-list-item"><a href="https://mdf.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8" title="Ради – moksán" lang="mdf" hreflang="mdf" data-title="Ради" data-language-autonym="Мокшень" data-language-local-name="moksán" class="interlanguage-link-target"><span>Мокшень</span></a></li><li class="interlanguage-link interwiki-mi mw-list-item"><a href="https://mi.wikipedia.org/wiki/Konuruke" title="Konuruke – maori" lang="mi" hreflang="mi" data-title="Konuruke" data-language-autonym="Māori" data-language-local-name="maori" class="interlanguage-link-target"><span>Māori</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Radium" title="Radium – minangkabau" lang="min" hreflang="min" data-title="Radium" data-language-autonym="Minangkabau" data-language-local-name="minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D1%83%D0%BC" title="Радиум – macedón" lang="mk" hreflang="mk" data-title="Радиум" data-language-autonym="Македонски" data-language-local-name="macedón" 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%B1%E0%B5%87%E0%B4%A1%E0%B4%BF%E0%B4%AF%E0%B4%82" title="റേഡിയം – malajálam" lang="ml" hreflang="ml" data-title="റേഡിയം" data-language-autonym="മലയാളം" data-language-local-name="malajálam" 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%A0%D0%B0%D0%B4%D0%B8" title="Ради – mongol" lang="mn" hreflang="mn" data-title="Ради" data-language-autonym="Монгол" data-language-local-name="mongol" 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%B0%E0%A5%87%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="रेडियम – maráthi" lang="mr" hreflang="mr" data-title="रेडियम" data-language-autonym="मराठी" data-language-local-name="maráthi" 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%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – Western Mari" lang="mrj" hreflang="mrj" data-title="Радий" data-language-autonym="Кырык мары" data-language-local-name="Western Mari" 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/Radium" title="Radium – maláj" lang="ms" hreflang="ms" data-title="Radium" data-language-autonym="Bahasa Melayu" data-language-local-name="maláj" 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%9B%E1%80%B1%E1%80%92%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="ရေဒီယမ် – burmai" lang="my" hreflang="my" data-title="ရေဒီယမ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmai" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Radium" title="Radium – alsónémet" lang="nds" hreflang="nds" data-title="Radium" data-language-autonym="Plattdüütsch" data-language-local-name="alsónémet" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%B0%E0%A5%87%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="रेडियम – nepáli" lang="ne" hreflang="ne" data-title="रेडियम" data-language-autonym="नेपाली" data-language-local-name="nepáli" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%B0%E0%A5%87%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="रेडियम – nevari" lang="new" hreflang="new" data-title="रेडियम" data-language-autonym="नेपाल भाषा" data-language-local-name="nevari" 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/Radium" title="Radium – holland" lang="nl" hreflang="nl" data-title="Radium" data-language-autonym="Nederlands" data-language-local-name="holland" 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/Radium" title="Radium – norvég (nynorsk)" lang="nn" hreflang="nn" data-title="Radium" data-language-autonym="Norsk nynorsk" data-language-local-name="norvég (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/Radium" title="Radium – norvég (bokmål)" lang="nb" hreflang="nb" data-title="Radium" data-language-autonym="Norsk bokmål" data-language-local-name="norvég (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/Radium" title="Radium – Novial" lang="nov" hreflang="nov" data-title="Radium" 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/Radi" title="Radi – okszitán" lang="oc" hreflang="oc" data-title="Radi" data-language-autonym="Occitan" data-language-local-name="okszitán" 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/Radii" title="Radii – Livvi-Karelian" lang="olo" hreflang="olo" data-title="Radii" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Calaqa(wahiyyoo)" title="Calaqa(wahiyyoo) – oromo" lang="om" hreflang="om" data-title="Calaqa(wahiyyoo)" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%B0%E0%AD%87%E0%AC%A1%E0%AC%BC%E0%AC%BF%E0%AC%85%E0%AC%AE" title="ରେଡ଼ିଅମ – odia" lang="or" hreflang="or" data-title="ରେଡ଼ିଅମ" 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%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – oszét" lang="os" hreflang="os" data-title="Радий" data-language-autonym="Ирон" data-language-local-name="oszét" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B0%E0%A9%87%E0%A8%A1%E0%A9%80%E0%A8%85%E0%A8%AE" title="ਰੇਡੀਅਮ – pandzsábi" lang="pa" hreflang="pa" data-title="ਰੇਡੀਅਮ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="pandzsábi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pi mw-list-item"><a href="https://pi.wikipedia.org/wiki/%E0%A4%B0%E0%A5%87%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="रेडियम – pali" lang="pi" hreflang="pi" data-title="रेडियम" data-language-autonym="पालि" data-language-local-name="pali" class="interlanguage-link-target"><span>पालि</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Rad_(pierwiastek)" title="Rad (pierwiastek) – lengyel" lang="pl" hreflang="pl" data-title="Rad (pierwiastek)" data-language-autonym="Polski" data-language-local-name="lengyel" 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/Radio_(element)" title="Radio (element) – Piedmontese" lang="pms" hreflang="pms" data-title="Radio (element)" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" 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/%D8%B1%DB%8C%DA%88%DB%8C%D8%A6%D9%85" title="ریڈیئم – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ریڈیئم" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%B1%D8%A7%DA%89%D9%8A%D9%88%D9%85" title="راډيوم – pastu" lang="ps" hreflang="ps" data-title="راډيوم" data-language-autonym="پښتو" data-language-local-name="pastu" 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/R%C3%A1dio_(elemento_qu%C3%ADmico)" title="Rádio (elemento químico) – portugál" lang="pt" hreflang="pt" data-title="Rádio (elemento químico)" data-language-autonym="Português" data-language-local-name="portugál" 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/Ratyu_q%27illay" title="Ratyu q'illay – kecsua" lang="qu" hreflang="qu" data-title="Ratyu q'illay" data-language-autonym="Runa Simi" data-language-local-name="kecsua" 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/Radiu" title="Radiu – román" lang="ro" hreflang="ro" data-title="Radiu" data-language-autonym="Română" data-language-local-name="román" 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/Radiu" title="Radiu – aromán" lang="rup" hreflang="rup" data-title="Radiu" data-language-autonym="Armãneashti" data-language-local-name="aromán" 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%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – orosz" lang="ru" hreflang="ru" data-title="Радий" data-language-autonym="Русский" data-language-local-name="orosz" 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%B0%E0%A5%87%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="रेडियम – szanszkrit" lang="sa" hreflang="sa" data-title="रेडियम" data-language-autonym="संस्कृतम्" data-language-local-name="szanszkrit" 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%A0%D0%B0%D0%B4%D0%B8%D1%83%D0%BC" title="Радиум – szaha" lang="sah" hreflang="sah" data-title="Радиум" data-language-autonym="Саха тыла" data-language-local-name="szaha" 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/R%C3%A0diu_(elementu_ch%C3%ACmicu)" title="Ràdiu (elementu chìmicu) – szardíniai" lang="sc" hreflang="sc" data-title="Ràdiu (elementu chìmicu)" data-language-autonym="Sardu" data-language-local-name="szardíniai" 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/R%C3%A0diu_(elementu)" title="Ràdiu (elementu) – szicíliai" lang="scn" hreflang="scn" data-title="Ràdiu (elementu)" data-language-autonym="Sicilianu" data-language-local-name="szicíliai" 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/Radijum" title="Radijum – szerbhorvát" lang="sh" hreflang="sh" data-title="Radijum" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="szerbhorvát" 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/Radium" title="Radium – Simple English" lang="en-simple" hreflang="en-simple" data-title="Radium" 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/R%C3%A1dium" title="Rádium – szlovák" lang="sk" hreflang="sk" data-title="Rádium" data-language-autonym="Slovenčina" data-language-local-name="szlovák" 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/Radij" title="Radij – szlovén" lang="sl" hreflang="sl" data-title="Radij" data-language-autonym="Slovenščina" data-language-local-name="szlovén" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Raadhiyaam" title="Raadhiyaam – szomáli" lang="so" hreflang="so" data-title="Raadhiyaam" data-language-autonym="Soomaaliga" data-language-local-name="szomáli" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Radiumi" title="Radiumi – albán" lang="sq" hreflang="sq" data-title="Radiumi" data-language-autonym="Shqip" data-language-local-name="albán" 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%A0%D0%B0%D0%B4%D0%B8%D1%98%D1%83%D0%BC" title="Радијум – szerb" lang="sr" hreflang="sr" data-title="Радијум" data-language-autonym="Српски / srpski" data-language-local-name="szerb" 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/Radium" title="Radium – Saterland Frisian" lang="stq" hreflang="stq" data-title="Radium" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" 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/Radium" title="Radium – svéd" lang="sv" hreflang="sv" data-title="Radium" data-language-autonym="Svenska" data-language-local-name="svéd" 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/Radi_(elementi)" title="Radi (elementi) – szuahéli" lang="sw" hreflang="sw" data-title="Radi (elementi)" data-language-autonym="Kiswahili" data-language-local-name="szuahéli" 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%B0%E0%AF%87%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D" title="ரேடியம் – tamil" lang="ta" hreflang="ta" data-title="ரேடியம்" 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%B0%E0%B1%87%E0%B0%A1%E0%B0%BF%E0%B0%AF%E0%B0%82" title="రేడియం – telugu" lang="te" hreflang="te" data-title="రేడియం" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – tadzsik" lang="tg" hreflang="tg" data-title="Радий" data-language-autonym="Тоҷикӣ" data-language-local-name="tadzsik" 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%A3%E0%B9%80%E0%B8%94%E0%B8%B5%E0%B8%A2%E0%B8%A1" title="เรเดียม – thai" lang="th" hreflang="th" data-title="เรเดียม" data-language-autonym="ไทย" data-language-local-name="thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl badge-Q70894304 mw-list-item" title=""><a href="https://tl.wikipedia.org/wiki/Radyo_(elemento)" title="Radyo (elemento) – tagalog" lang="tl" hreflang="tl" data-title="Radyo (elemento)" 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/Radyum" title="Radyum – török" lang="tr" hreflang="tr" data-title="Radyum" data-language-autonym="Türkçe" data-language-local-name="török" 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%A0%D0%B0%D0%B4%D0%B8%D0%B9" title="Радий – tatár" lang="tt" hreflang="tt" data-title="Радий" data-language-autonym="Татарча / tatarça" data-language-local-name="tatár" 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/%D8%B1%D8%A7%D8%AF%D9%89%D9%8A" title="رادىي – ujgur" lang="ug" hreflang="ug" data-title="رادىي" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="ujgur" 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%A0%D0%B0%D0%B4%D1%96%D0%B9" title="Радій – ukrán" lang="uk" hreflang="uk" data-title="Радій" data-language-autonym="Українська" data-language-local-name="ukrán" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B1%DB%8C%DA%88%DB%8C%D9%85" title="ریڈیم – urdu" lang="ur" hreflang="ur" data-title="ریڈیم" 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/Radiy" title="Radiy – üzbég" lang="uz" hreflang="uz" data-title="Radiy" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="üzbég" 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/Radii" title="Radii – Veps" lang="vep" hreflang="vep" data-title="Radii" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" 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/Radi" title="Radi – vietnámi" lang="vi" hreflang="vi" data-title="Radi" data-language-autonym="Tiếng Việt" data-language-local-name="vietnámi" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Radiom" title="Radiom – vallon" lang="wa" hreflang="wa" data-title="Radiom" data-language-autonym="Walon" data-language-local-name="vallon" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Radyo_(elemento)" title="Radyo (elemento) – varaó" lang="war" hreflang="war" data-title="Radyo (elemento)" data-language-autonym="Winaray" data-language-local-name="varaó" 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%AD" title="镭 – wu kínai" lang="wuu" hreflang="wuu" data-title="镭" data-language-autonym="吴语" data-language-local-name="wu kínai" 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%A0%D0%B0%D0%B4%D0%B8%D1%83%D0%BC" title="Радиум – kalmük" lang="xal" hreflang="xal" data-title="Радиум" data-language-autonym="Хальмг" data-language-local-name="kalmük" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A8%D7%90%D7%93%D7%99%D7%95%D7%9D" title="ראדיום – jiddis" lang="yi" hreflang="yi" data-title="ראדיום" data-language-autonym="ייִדיש" data-language-local-name="jiddis" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/Radiomu" title="Radiomu – joruba" lang="yo" hreflang="yo" data-title="Radiomu" data-language-autonym="Yorùbá" data-language-local-name="joruba" 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%AD" title="镭 – kínai" lang="zh" hreflang="zh" data-title="镭" data-language-autonym="中文" data-language-local-name="kínai" 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%90%B3" title="鐳 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="鐳" data-language-autonym="文言" data-language-local-name="Literary Chinese" 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/Radium" title="Radium – min nan kínai" lang="nan" hreflang="nan" data-title="Radium" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan kínai" 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%90%B3" title="鐳 – kantoni" lang="yue" hreflang="yue" data-title="鐳" data-language-autonym="粵語" data-language-local-name="kantoni" 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/UmSebembi" title="UmSebembi – zulu" lang="zu" hreflang="zu" data-title="UmSebembi" 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/Q1128#sitelinks-wikipedia" title="Nyelvközi hivatkozások szerkesztése" class="wbc-editpage">Hivatkozások szerkesztése</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="Névterek"> <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/R%C3%A1dium" title="A lap megtekintése [c]" accesskey="c"><span>Szócikk</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Vita:R%C3%A1dium" rel="discussion" title="Az oldal tartalmának megvitatása [t]" accesskey="t"><span>Vitalap</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="Nyelvvariáns váltása" > <label id="vector-variants-dropdown-label" for="vector-variants-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">magyar</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Nézetek"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/R%C3%A1dium"><span>Olvasás</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=R%C3%A1dium&action=edit" title="Az oldal forráskódjának szerkesztése [e]" accesskey="e"><span>Szerkesztés</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=R%C3%A1dium&action=history" title="A lap korábbi változatai [h]" accesskey="h"><span>Laptörténet</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Oldal eszközök"> <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="Eszközök" > <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">Eszközök</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">Eszközök</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">áthelyezés az oldalsávba</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">elrejtés</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="További lehetőségek" > <div class="vector-menu-heading"> Műveletek </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/R%C3%A1dium"><span>Olvasás</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=R%C3%A1dium&action=edit" title="Az oldal forráskódjának szerkesztése [e]" accesskey="e"><span>Szerkesztés</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=R%C3%A1dium&action=history"><span>Laptörténet</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Általános </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speci%C3%A1lis:Mi_hivatkozik_erre/R%C3%A1dium" title="Az erre a lapra hivatkozó más lapok listája [j]" accesskey="j"><span>Mi hivatkozik erre?</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speci%C3%A1lis:Kapcsol%C3%B3d%C3%B3_v%C3%A1ltoztat%C3%A1sok/R%C3%A1dium" rel="nofollow" title="Az erről a lapról hivatkozott lapok utolsó változtatásai [k]" accesskey="k"><span>Kapcsolódó változtatások</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=R%C3%A1dium&oldid=26843312" title="Állandó hivatkozás ezen lap ezen változatához"><span>Hivatkozás erre a változatra</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=R%C3%A1dium&action=info" title="További információk erről a lapról"><span>Lapinformációk</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1lis:Hivatkoz%C3%A1s&page=R%C3%A1dium&id=26843312&wpFormIdentifier=titleform" title="Információk a lap idézésével kapcsolatban"><span>Hogyan hivatkozz erre a lapra?</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1lis:UrlShortener&url=https%3A%2F%2Fhu.wikipedia.org%2Fwiki%2FR%25C3%25A1dium"><span>Rövidített URL készítése</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1lis:QrCode&url=https%3A%2F%2Fhu.wikipedia.org%2Fwiki%2FR%25C3%25A1dium"><span>QR-kód letöltése</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"> Nyomtatás/exportálás </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=Speci%C3%A1lis:K%C3%B6nyv&bookcmd=book_creator&referer=R%C3%A1dium"><span>Könyv készítése</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1lis:DownloadAsPdf&page=R%C3%A1dium&action=show-download-screen"><span>Letöltés PDF-ként</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=R%C3%A1dium&printable=yes" title="A lap nyomtatható változata [p]" accesskey="p"><span>Nyomtatható változat</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"> Társprojektek </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/Radium" hreflang="en"><span>Wikimédia 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/Q1128" title="Kapcsolt adattárelem [g]" accesskey="g"><span>Wikidata-adatlap</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="Oldal eszközök"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Megjelenés"> <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">Megjelenés</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">áthelyezés az oldalsávba</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">elrejtés</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 id="mw-indicator-indicator-fr-review-status" class="mw-indicator"><indicator name="fr-review-status" class="mw-fr-review-status-indicator" id="mw-fr-revision-toggle"><span class="cdx-fr-css-icon-review--status--stable"></span><b>Ellenőrzött</b></indicator></div> </div> <div id="siteSub" class="noprint">A Wikipédiából, a szabad enciklopédiából</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><div id="mw-fr-revision-messages"><div id="mw-fr-revision-details" class="mw-fr-revision-details-dialog" style="display:none;"><div tabindex="0"></div><div class="cdx-dialog cdx-dialog--horizontal-actions"><header class="cdx-dialog__header cdx-dialog__header--default"><div class="cdx-dialog__header__title-group"><h2 class="cdx-dialog__header__title">Változat állapota</h2><p class="cdx-dialog__header__subtitle">Ez a lap egy ellenőrzött változata</p></div><button class="cdx-button cdx-button--action-default cdx-button--weight-quiet
							cdx-button--size-medium cdx-button--icon-only cdx-dialog__header__close-button" aria-label="Close" onclick="document.getElementById("mw-fr-revision-details").style.display = "none";" type="submit"><span class="cdx-icon cdx-icon--medium
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text-align:center;" cellspacing="0"> <tbody><tr> <td style="font-size:120%; font-weight:bold">88</td> <td style="padding-left:2em"><span style="font-size: 95%"><a href="/wiki/Francium" title="Francium">francium</a></span> ← <span style="font-size: 120%">rádium</span> → <span style="font-size: 95%"><a href="/wiki/Akt%C3%ADnium" title="Aktínium">aktínium</a></span></td> </tr> <tr> <td><span style="font-size:95%"><a href="/wiki/B%C3%A1rium" title="Bárium">Ba</a></span><br />↑<br /><span style="font-size:120%; font-weight:bold">Ra</span><br />↓<br /><span style="font-size: 95%">(Ubn)</span></td> <td id="table" style="position:relative; text-align:left;"><style data-mw-deduplicate="TemplateStyles:r22951926">.mw-parser-output .periodusos-rendszer{text-align:center;empty-cells:show;border-collapse:separate;border-spacing:1px}.mw-parser-output .periodusos-rendszer td{padding:0}.mw-parser-output .periodusos-rendszer-elem{width:7px;height:9px;font-size:9px;line-height:9px}.mw-parser-output .periodusos-rendszer-onlink{border:1px solid black!important;margin:-1px}.mw-parser-output .periodusos-rendszer-elem span{display:inline-block;width:7px;height:9px}.mw-parser-output .periodusos-rendszer-elem-A{background-color:Orchid}.mw-parser-output .periodusos-rendszer-elem-Af{background-color:OrangeRed}.mw-parser-output .periodusos-rendszer-elem-Afm{background-color:DarkOrange}.mw-parser-output .periodusos-rendszer-elem-Ng{background-color:LightskyBlue}.mw-parser-output .periodusos-rendszer-elem-H{background-color:Khaki}.mw-parser-output .periodusos-rendszer-elem-Fm{background-color:Peru}.mw-parser-output .periodusos-rendszer-elem-L{background-color:Plum}.mw-parser-output .periodusos-rendszer-elem-Nm{background-color:LimeGreen}.mw-parser-output .periodusos-rendszer-elem-F{background-color:DarkGray}.mw-parser-output .periodusos-rendszer-elem-Amf{background-color:LightCoral}.mw-parser-output .periodusos-rendszer-elem-Ue{background-color:Gainsboro}</style> <table class="periodusos-rendszer"> <tbody><tr> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Nm"><a href="/wiki/Hidrog%C3%A9n" title="Hidrogén"><span title="Elem 1: Hidrogén (H), Nemfém"> </span></a></td> <td colspan="30"></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Ng"><a href="/wiki/H%C3%A9lium" title="Hélium"><span title="Elem 2: Hélium (He), Nemesgáz"> </span></a></td> </tr> <tr> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Af"><a href="/wiki/L%C3%ADtium" title="Lítium"><span title="Elem 3: Lítium (Li), Alkálifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Afm"><a href="/wiki/Berillium" title="Berillium"><span title="Elem 4: Berillium (Be), Alkáliföldfém"> </span></a></td> <td colspan="24"></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Fm"><a href="/wiki/B%C3%B3r" title="Bór"><span title="Elem 5: Bór (B), Félfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Nm"><a href="/wiki/Sz%C3%A9n" title="Szén"><span title="Elem 6: Szén (C), Nemfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Nm"><a href="/wiki/Nitrog%C3%A9n" title="Nitrogén"><span title="Elem 7: Nitrogén (N), Nemfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Nm"><a href="/wiki/Oxig%C3%A9n" title="Oxigén"><span title="Elem 8: Oxigén (O), Nemfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-H"><a href="/wiki/Fluor" title="Fluor"><span title="Elem 9: Fluor (F), Halogén"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Ng"><a href="/wiki/Neon" title="Neon"><span title="Elem 10: Neon (Ne), Nemesgáz"> </span></a></td> </tr> <tr> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Af"><a href="/wiki/N%C3%A1trium" title="Nátrium"><span title="Elem 11: Nátrium (Na), Alkálifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Afm"><a href="/wiki/Magn%C3%A9zium" title="Magnézium"><span title="Elem 12: Magnézium (Mg), Alkáliföldfém"> </span></a></td> <td colspan="24"></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Alum%C3%ADnium" title="Alumínium"><span title="Elem 13: Alumínium (Al), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Fm"><a href="/wiki/Szil%C3%ADcium" title="Szilícium"><span title="Elem 14: Szilícium (Si), Félfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Nm"><a href="/wiki/Foszfor" title="Foszfor"><span title="Elem 15: Foszfor (P), Nemfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Nm"><a href="/wiki/K%C3%A9n" title="Kén"><span title="Elem 16: Kén (S), Nemfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-H"><a href="/wiki/Kl%C3%B3r" title="Klór"><span title="Elem 17: Klór (Cl), Halogén"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Ng"><a href="/wiki/Argon" title="Argon"><span title="Elem 18: Argon (Ar), Nemesgáz"> </span></a></td> </tr> <tr> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Af"><a href="/wiki/K%C3%A1lium" title="Kálium"><span title="Elem 19: Kálium (K), Alkálifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Afm"><a href="/wiki/Kalcium" title="Kalcium"><span title="Elem 20: Kalcium (Ca), Alkáliföldfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Szkandium" title="Szkandium"><span title="Elem 21: Szkandium (Sc), Átmenetifém"> </span></a></td> <td colspan="14"></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Tit%C3%A1n_(elem)" title="Titán (elem)"><span title="Elem 22: Titán (Ti), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Van%C3%A1dium" title="Vanádium"><span title="Elem 23: Vanádium (V), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Kr%C3%B3m" title="Króm"><span title="Elem 24: Króm (Cr), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Mang%C3%A1n" title="Mangán"><span title="Elem 25: Mangán (Mn), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Vas" title="Vas"><span title="Elem 26: Vas (Fe), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Kobalt" title="Kobalt"><span title="Elem 27: Kobalt (Co), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Nikkel" title="Nikkel"><span title="Elem 28: Nikkel (Ni), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/R%C3%A9z" title="Réz"><span title="Elem 29: Réz (Cu), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Cink" title="Cink"><span title="Elem 30: Cink (Zn), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Gallium" title="Gallium"><span title="Elem 31: Gallium (Ga), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Fm"><a href="/wiki/Germ%C3%A1nium" title="Germánium"><span title="Elem 32: Germánium (Ge), Félfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Fm"><a href="/wiki/Arz%C3%A9n_(elem)" title="Arzén (elem)"><span title="Elem 33: Arzén (As), Félfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Nm"><a href="/wiki/Szel%C3%A9n" title="Szelén"><span title="Elem 34: Szelén (Se), Nemfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-H"><a href="/wiki/Br%C3%B3m" title="Bróm"><span title="Elem 35: Bróm (Br), Halogén"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Ng"><a href="/wiki/Kripton" title="Kripton"><span title="Elem 36: Kripton (Kr), Nemesgáz"> </span></a></td> </tr> <tr> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Af"><a href="/wiki/Rub%C3%ADdium" title="Rubídium"><span title="Elem 37: Rubídium (Rb), Alkálifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Afm"><a href="/wiki/Stroncium" title="Stroncium"><span title="Elem 38: Stroncium (Sr), Alkáliföldfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Ittrium" title="Ittrium"><span title="Elem 39: Ittrium (Y), Átmenetifém"> </span></a></td> <td colspan="14"></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Cirk%C3%B3nium" title="Cirkónium"><span title="Elem 40: Cirkónium (Zr), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Ni%C3%B3bium" title="Nióbium"><span title="Elem 41: Nióbium (Nb), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Molibd%C3%A9n" title="Molibdén"><span title="Elem 42: Molibdén (Mo), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Techn%C3%A9cium" title="Technécium"><span title="Elem 43: Technécium (Tc), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Rut%C3%A9nium" title="Ruténium"><span title="Elem 44: Ruténium (Ru), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/R%C3%B3dium" title="Ródium"><span title="Elem 45: Ródium (Rh), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Pall%C3%A1dium" title="Palládium"><span title="Elem 46: Palládium (Pd), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Ez%C3%BCst" title="Ezüst"><span title="Elem 47: Ezüst (Ag), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Kadmium" title="Kadmium"><span title="Elem 48: Kadmium (Cd), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Indium" title="Indium"><span title="Elem 49: Indium (In), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/%C3%93n" title="Ón"><span title="Elem 50: Ón (Sn), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Fm"><a href="/wiki/Antimon" title="Antimon"><span title="Elem 51: Antimon (Sb), Félfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Fm"><a href="/wiki/Tell%C3%BAr" title="Tellúr"><span title="Elem 52: Tellúr (Te), Félfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-H"><a href="/wiki/J%C3%B3d" title="Jód"><span title="Elem 53: Jód (I), Halogén"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Ng"><a href="/wiki/Xenon" title="Xenon"><span title="Elem 54: Xenon (Xe), Nemesgáz"> </span></a></td> </tr> <tr> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Af"><a href="/wiki/C%C3%A9zium" title="Cézium"><span title="Elem 55: Cézium (Cs), Alkálifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Afm"><a href="/wiki/B%C3%A1rium" title="Bárium"><span title="Elem 56: Bárium (Ba), Alkáliföldfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Lant%C3%A1n" title="Lantán"><span title="Elem 57: Lantán (La), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/C%C3%A9rium" title="Cérium"><span title="Elem 58: Cérium (Ce), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Prazeod%C3%ADmium" title="Prazeodímium"><span title="Elem 59: Prazeodímium (Pr), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Neod%C3%ADmium" title="Neodímium"><span title="Elem 60: Neodímium (Nd), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Prom%C3%A9tium" title="Prométium"><span title="Elem 61: Prométium (Pm), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Szam%C3%A1rium" title="Szamárium"><span title="Elem 62: Szamárium (Sm), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Eur%C3%B3pium" title="Európium"><span title="Elem 63: Európium (Eu), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Gadol%C3%ADnium" title="Gadolínium"><span title="Elem 64: Gadolínium (Gd), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Terbium" title="Terbium"><span title="Elem 65: Terbium (Tb), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Diszpr%C3%B3zium" title="Diszprózium"><span title="Elem 66: Diszprózium (Dy), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Holmium" title="Holmium"><span title="Elem 67: Holmium (Ho), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Erbium" title="Erbium"><span title="Elem 68: Erbium (Er), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/T%C3%BAlium" title="Túlium"><span title="Elem 69: Túlium (Tm), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Itterbium" title="Itterbium"><span title="Elem 70: Itterbium (Yb), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-L"><a href="/wiki/Lut%C3%A9cium" title="Lutécium"><span title="Elem 71: Lutécium (Lu), Lantanida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Hafnium" title="Hafnium"><span title="Elem 72: Hafnium (Hf), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Tant%C3%A1l" title="Tantál"><span title="Elem 73: Tantál (Ta), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Volfr%C3%A1m" title="Volfrám"><span title="Elem 74: Volfrám (W), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/R%C3%A9nium" title="Rénium"><span title="Elem 75: Rénium (Re), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Ozmium" title="Ozmium"><span title="Elem 76: Ozmium (Os), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Ir%C3%ADdium" title="Irídium"><span title="Elem 77: Irídium (Ir), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Platina" title="Platina"><span title="Elem 78: Platina (Pt), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Arany_(k%C3%A9miai_elem)" title="Arany (kémiai elem)"><span title="Elem 79: Arany (kémiai elem) (Au), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Higany" title="Higany"><span title="Elem 80: Higany (Hg), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Tallium" title="Tallium"><span title="Elem 81: Tallium (Tl), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/%C3%93lom" title="Ólom"><span title="Elem 82: Ólom (Pb), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Bizmut" title="Bizmut"><span title="Elem 83: Bizmut (Bi), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Pol%C3%B3nium" title="Polónium"><span title="Elem 84: Polónium (Po), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-H"><a href="/wiki/Aszt%C3%A1cium" title="Asztácium"><span title="Elem 85: Asztácium (At), Halogén"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Ng"><a href="/wiki/Radon" title="Radon"><span title="Elem 86: Radon (Rn), Nemesgáz"> </span></a></td> </tr> <tr> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Af"><a href="/wiki/Francium" title="Francium"><span title="Elem 87: Francium (Fr), Alkálifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Afm periodusos-rendszer-onlink"><a class="mw-selflink selflink"><span title="Elem 88: Rádium (Ra), Alkáliföldfém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Akt%C3%ADnium" title="Aktínium"><span title="Elem 89: Aktínium (Ac), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/T%C3%B3rium" title="Tórium"><span title="Elem 90: Tórium (Th), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Protakt%C3%ADnium" title="Protaktínium"><span title="Elem 91: Protaktínium (Pa), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Ur%C3%A1n" title="Urán"><span title="Elem 92: Urán (U), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Nept%C3%BAnium" title="Neptúnium"><span title="Elem 93: Neptúnium (Np), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Plut%C3%B3nium" title="Plutónium"><span title="Elem 94: Plutónium (Pu), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Amer%C3%ADcium" title="Amerícium"><span title="Elem 95: Amerícium (Am), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/K%C5%B1rium" title="Kűrium"><span title="Elem 96: Kűrium (Cm), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Berk%C3%A9lium" title="Berkélium"><span title="Elem 97: Berkélium (Bk), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Kalifornium" title="Kalifornium"><span title="Elem 98: Kalifornium (Cf), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Einsteinium" title="Einsteinium"><span title="Elem 99: Einsteinium (Es), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Fermium" title="Fermium"><span title="Elem 100: Fermium (Fm), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Mendel%C3%A9vium" title="Mendelévium"><span title="Elem 101: Mendelévium (Md), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Nob%C3%A9lium" title="Nobélium"><span title="Elem 102: Nobélium (No), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-A"><a href="/wiki/Laurencium" title="Laurencium"><span title="Elem 103: Laurencium (Lr), Aktinoida"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Raderfordium" title="Raderfordium"><span title="Elem 104: Raderfordium (Rf), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Dubnium" title="Dubnium"><span title="Elem 105: Dubnium (Db), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Sziborgium" title="Sziborgium"><span title="Elem 106: Sziborgium (Sg), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Bohrium" title="Bohrium"><span title="Elem 107: Bohrium (Bh), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Hasszium" title="Hasszium"><span title="Elem 108: Hasszium (Hs), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Meitn%C3%A9rium" title="Meitnérium"><span title="Elem 109: Meitnérium (Mt), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Darmstadtium" title="Darmstadtium"><span title="Elem 110: Darmstadtium (Ds), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/R%C3%B6ntg%C3%A9nium" title="Röntgénium"><span title="Elem 111: Röntgénium (Rg), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Amf"><a href="/wiki/Kopern%C3%ADcium" title="Kopernícium"><span title="Elem 112: Kopernícium (Cn), Átmenetifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Nih%C3%B3nium" title="Nihónium"><span title="Elem 113: Nihónium (Nh), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Fler%C3%B3vium" title="Fleróvium"><span title="Elem 114: Fleróvium (Fl), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Moszk%C3%B3vium" title="Moszkóvium"><span title="Elem 115: Moszkóvium (Mc), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-F"><a href="/wiki/Liverm%C3%B3rium" title="Livermórium"><span title="Elem 116: Livermórium (Lv), Fém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Ue"><a href="/wiki/Tenesszium" title="Tenesszium"><span title="Elem 117: Tenesszium (Ts)"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Ng"><a href="/wiki/Oganeszon" title="Oganeszon"><span title="Elem 118: Oganeszon (Og), Nemesgáz"> </span></a></td> </tr> <tr> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Af"><a href="/wiki/Ununennium" title="Ununennium"><span title="Elem 119: Ununennium (Uun), Alkálifém"> </span></a></td> <td class="periodusos-rendszer-elem periodusos-rendszer-elem-Afm"><a href="/wiki/Unbinilium" title="Unbinilium"><span title="Elem 120: Unbinilium (Ubn), Alkáliföldfém"> </span></a></td> </tr> </tbody></table> <div id="text0" style="font-size:12px; position:absolute; top:1px; left:35px;"></div> <div id="text2" style="font-size:10px; position:absolute; top:10px; left:160px;">88</div> <div id="text3" style="font-size:20px; font-weight:bold; position:absolute; top:6px; left:175px;">Ra</div> <div style="text-align: right"><small><a href="/wiki/K%C3%A9miai_elemek_peri%C3%B3dusos_rendszere" title="Kémiai elemek periódusos rendszere">Periódusos rendszer</a></small></div> </td> </tr> </tbody></table> </td></tr> <tr> <th colspan="2" style="background:#ffdead; color:black">Általános </th></tr> <tr> <td>Név, <a href="/wiki/Vegyjel" title="Vegyjel">vegyjel</a>, <a href="/wiki/Rendsz%C3%A1m_(k%C3%A9mia)" title="Rendszám (kémia)">rendszám</a> </td> <td>rádium, Ra, 88 </td></tr> <tr> <td><a href="/wiki/Latin_nyelv" title="Latin nyelv"> Latin megnevezés</a></td> <td>radium </td></tr> <tr> <td><a href="/wiki/Elemi_sorozat" title="Elemi sorozat">Elemi sorozat</a></td> <td><a href="/wiki/Alk%C3%A1lif%C3%B6ldf%C3%A9mek" title="Alkáliföldfémek">alkáliföldfémek</a> </td></tr> <tr> <td><a href="/wiki/K%C3%A9miai_elemek_peri%C3%B3dusos_rendszere" title="Kémiai elemek periódusos rendszere">Csoport</a>, <a href="/wiki/Peri%C3%B3dusos_rendszerbeli_peri%C3%B3dus" title="Periódusos rendszerbeli periódus">periódus</a>, <a href="/wiki/K%C3%A9miai_elemek_peri%C3%B3dusos_rendszere" title="Kémiai elemek periódusos rendszere">mező</a> </td> <td><a href="/wiki/2._csoportbeli_elemek" class="mw-redirect" title="2. csoportbeli elemek">2</a>, <a href="/wiki/7._peri%C3%B3dusbeli_elemek" title="7. periódusbeli elemek">7</a>, <a href="/wiki/S-mez%C5%91" class="mw-redirect" title="S-mező">s</a> </td></tr> <tr> <td><a href="/wiki/Sz%C3%ADn" title="Szín">Megjelenés</a></td> <td>ezüstfehér fémes </td></tr> <tr> <td><a href="/wiki/Atomt%C3%B6meg" title="Atomtömeg">Atomtömeg</a></td> <td><a href="/wiki/1_E-25_kg" title="1 E-25 kg">(226)</a>  g/mol </td></tr> <tr> <td><a href="/wiki/Elektronszerkezet" title="Elektronszerkezet">Elektronszerkezet</a></td> <td>[<a href="/wiki/Radon" title="Radon">Rn</a>] 7s² </td></tr> <tr> <td><a href="/wiki/Elektron" title="Elektron">Elektronok</a> <a href="/wiki/Elektronh%C3%A9j" title="Elektronhéj">héjanként</a></td> <td>2, 8, 18, 32, 18, 8, 2 </td></tr> <tr> <th colspan="2" style="background:#ffdead; color:black">Fizikai tulajdonságok </th></tr> <tr> <td><a href="/wiki/Halmaz%C3%A1llapot" title="Halmazállapot">Halmazállapot</a></td> <td><a href="/wiki/Szil%C3%A1rd_(halmaz%C3%A1llapot)" class="mw-redirect" title="Szilárd (halmazállapot)">szilárd</a> </td></tr> <tr> <td><a href="/wiki/S%C5%B1r%C5%B1s%C3%A9g" title="Sűrűség">Sűrűség</a> (szobahőm.)</td> <td>5,5 g/cm³ </td></tr> <tr> <td><a href="/wiki/Olvad%C3%A1spont" title="Olvadáspont">Olvadáspont</a></td> <td>973 <a href="/wiki/Kelvin" title="Kelvin">K</a><br />(700 °<a href="/wiki/Celsius-sk%C3%A1la" title="Celsius-skála">C</a>, 1292 °<a href="/wiki/Fahrenheit" title="Fahrenheit">F</a>) </td></tr> <tr> <td><a href="/wiki/Forr%C3%A1s_(%C3%A1talakul%C3%A1s)" title="Forrás (átalakulás)">Forráspont</a></td> <td>2010 <a href="/wiki/Kelvin" title="Kelvin">K</a><br />(1737 °<a href="/wiki/Celsius-sk%C3%A1la" title="Celsius-skála">C</a>, 3159 °<a href="/wiki/Fahrenheit" title="Fahrenheit">F</a>) </td></tr> <tr> <td><a href="/wiki/Olvad%C3%A1sh%C5%91" title="Olvadáshő">Olvadáshő</a><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 \Delta _{fus}{H}^{\ominus }}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi mathvariant="normal">Δ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>f</mi> <mi>u</mi> <mi>s</mi> </mrow> </msub> <msup> <mrow class="MJX-TeXAtom-ORD"> <mi>H</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>⊖</mo> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \Delta _{fus}{H}^{\ominus }}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/90e68ab87943715da020d0a09b156395592b1978" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:8.398ex; height:3.176ex;" alt="{\displaystyle \Delta _{fus}{H}^{\ominus }}" /></span></td> <td>8,5 <a href="/wiki/Joule_per_m%C3%B3l" title="Joule per mól">kJ/mol</a> </td></tr> <tr> <td><a href="/wiki/P%C3%A1rolg%C3%A1sh%C5%91" title="Párolgáshő">Párolgáshő</a> <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 \Delta _{vap}{H}^{\ominus }}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi mathvariant="normal">Δ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>v</mi> <mi>a</mi> <mi>p</mi> </mrow> </msub> <msup> <mrow class="MJX-TeXAtom-ORD"> <mi>H</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>⊖</mo> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \Delta _{vap}{H}^{\ominus }}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bcd6bd8f21e5d154024f6ff5003c75a1f6f0a124" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:8.276ex; height:3.176ex;" alt="{\displaystyle \Delta _{vap}{H}^{\ominus }}" /></span></td> <td>113 <a href="/wiki/Joule_per_m%C3%B3l" title="Joule per mól">kJ/mol</a> </td></tr> <tr> <td colspan="2"> <table width="100%" border="1" cellpadding="2" cellspacing="0" style="border-collapse:collapse;"> <caption><a href="/wiki/G%C5%91znyom%C3%A1s" title="Gőznyomás">Gőznyomás</a> </caption> <tbody><tr align="center"> <td><i>P</i>/Pa</td> <td>1</td> <td>10</td> <td>100</td> <td>1 k</td> <td>10 k</td> <td>100 k </td></tr> <tr align="center"> <td><i>T</i>/K</td> <td>819</td> <td>906</td> <td>1037</td> <td>1209</td> <td>1446</td> <td>1799 </td></tr></tbody></table> </td></tr> <tr> <th colspan="2" style="background:#ffdead; color:black">Atomi tulajdonságok </th></tr> <tr> <td><a href="/wiki/Krist%C3%A1lyszerkezet" title="Kristályszerkezet">Kristályszerkezet</a></td> <td>köbös tércentrált </td></tr> <tr> <td><a href="/wiki/Oxid%C3%A1ci%C3%B3s_sz%C3%A1m" title="Oxidációs szám">Oxidációs szám</a></td> <td>2<br />(erősen bázikus oxid) </td></tr> <tr> <td><a href="/wiki/Elektronegativit%C3%A1s" title="Elektronegativitás">Elektronegativitás</a></td> <td>0,9 (<a href="/wiki/Pauling-sk%C3%A1la" title="Pauling-skála">Pauling-skála</a>) </td></tr> <tr> <td rowspan="2" valign="top"><a href="/wiki/Ioniz%C3%A1ci%C3%B3s_energia" title="Ionizációs energia">Ionizációs energia</a> </td> <td>1.: 509,3 <a href="/wiki/Kilojoule_per_mol" class="mw-redirect" title="Kilojoule per mol">kJ/mol</a> </td></tr> <tr> <td>2.: 979,0 kJ/mol </td></tr> <tr> <td><a href="/wiki/Atomsug%C3%A1r" title="Atomsugár">Atomsugár</a></td> <td><a href="/wiki/1_E-10_m" class="mw-redirect" title="1 E-10 m">215</a> <a href="/wiki/M%C3%A9ter" title="Méter">pm</a> </td></tr> <tr> <th colspan="2" style="background:#ffdead; color:black">Egyebek </th></tr> <tr> <td><a href="/wiki/M%C3%A1gness%C3%A9g" title="Mágnesség">Mágnesség</a></td> <td>nem mágneses </td></tr> <tr> <td><a href="/wiki/Fajlagos_ellen%C3%A1ll%C3%A1s" title="Fajlagos ellenállás">Fajlagos ellenállás</a></td> <td>(20 °C) 1 µΩ·m </td></tr> <tr> <td><a href="/wiki/H%C5%91vezet%C3%A9si_t%C3%A9nyez%C5%91" title="Hővezetési tényező">Hővezetési tényező</a></td> <td>(300 K) 18,6 <a href="/wiki/Watt_per_m%C3%A9ter-kelvin" title="Watt per méter-kelvin">W/(m·K)</a> </td></tr> <tr> <td><a href="/wiki/CAS-sz%C3%A1m" title="CAS-szám">CAS-szám</a></td> <td>7440-14-4 </td></tr> <tr> <th colspan="2" style="background:#ffdead; color:black">Fontosabb izotópok </th></tr> <tr> <td colspan="2"> <table width="100%" border="1" cellspacing="0" cellpadding="2" style="border-collapse:collapse;"> <caption>Fő cikk: <a href="/wiki/A_r%C3%A1dium_izot%C3%B3pjai" title="A rádium izotópjai">A rádium izotópjai</a> </caption> <tbody><tr> <th rowspan="2"><a href="/wiki/Izot%C3%B3p" title="Izotóp">izotóp</a> </th> <th rowspan="2"><a href="/wiki/Term%C3%A9szetes_el%C5%91fordul%C3%A1s" title="Természetes előfordulás">természetes előfordulás</a> </th> <th rowspan="2"><a href="/wiki/Felez%C3%A9si_id%C5%91" title="Felezési idő">felezési idő</a> </th> <th colspan="3">bomlás </th></tr> <tr> <td><a href="/wiki/Boml%C3%A1si_m%C3%B3d" title="Bomlási mód">mód</a> </td> <td><a href="/wiki/Boml%C3%A1si_energia" title="Bomlási energia">energia</a> <small>(<a href="/wiki/Elektronvolt" title="Elektronvolt">MeV</a>)</small> </td> <td><a href="/wiki/Boml%C3%A1sterm%C3%A9k" title="Bomlástermék">termék</a> </td></tr> <tr> <td><sup>226</sup>Ra </td> <td>nyomokban </td> <td>1602 <a href="/wiki/%C3%89v" title="Év">y</a> </td> <td><a href="/wiki/Alfa-boml%C3%A1s" class="mw-redirect" title="Alfa-bomlás">α</a> </td> <td>4,871 </td> <td><sup>222</sup><a href="/wiki/Radon" title="Radon">Rn</a> </td></tr> <tr> <td><sup>228</sup>Ra </td> <td><a href="/wiki/Mesters%C3%A9ges_radionuklid" class="mw-redirect" title="Mesterséges radionuklid">mest.</a> </td> <td>6,7 y </td> <td><a href="/wiki/B%C3%A9ta-boml%C3%A1s" title="Béta-bomlás">β<sup>-</sup></a> </td> <td>0,046 </td> <td><sup>228</sup><a href="/wiki/Akt%C3%ADnium" title="Aktínium">Ac</a> </td></tr></tbody></table> </td></tr> <tr> <th colspan="2" style="background:#ffdead; color:black">Hivatkozások </th></tr></tbody></table> <figure typeof="mw:File/Thumb"><a href="/wiki/F%C3%A1jl:Radium_226_radiation_source_1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Radium_226_radiation_source_1.jpg/280px-Radium_226_radiation_source_1.jpg" decoding="async" width="280" height="224" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Radium_226_radiation_source_1.jpg/420px-Radium_226_radiation_source_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Radium_226_radiation_source_1.jpg/560px-Radium_226_radiation_source_1.jpg 2x" data-file-width="1712" data-file-height="1368" /></a><figcaption>Rádium–226 sugárforrás, aktivitása 3300 Bq (3,3 kBq)</figcaption></figure> <p>A <b>rádium</b> (<a href="/wiki/Vegyjel" title="Vegyjel">vegyjele</a> <b>Ra</b>, <a href="/wiki/Rendsz%C3%A1m_(k%C3%A9mia)" title="Rendszám (kémia)">rendszáma</a> 88) egy <a href="/wiki/Radioaktivit%C3%A1s" title="Radioaktivitás">radioaktív</a> kémiai elem, az <a href="/wiki/Alk%C3%A1lif%C3%B6ldf%C3%A9mek" title="Alkáliföldfémek">alkáliföldfémek</a> csoportjának utolsó, 6. eleme. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Története"><span id="T.C3.B6rt.C3.A9nete"></span>Története</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=R%C3%A1dium&action=edit&section=1" title="Szakasz szerkesztése: Története"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Pierre_Curie" title="Pierre Curie">Pierre</a> és <a href="/wiki/Marie_Curie" title="Marie Curie">Marie Curie</a> fedezte fel az <a href="/wiki/Ur%C3%A1nszurok%C3%A9rc" title="Uránszurokérc">uránszurokércben</a> <a href="/wiki/1898" title="1898">1898</a>. <a href="/wiki/December_21." title="December 21.">december 21-én</a>. Elemi állapotban először 1902-ben állította elő Marie Curie és ő nevezte el rádiumnak (radius = sugár lat.), utalva a radioaktivitásra. </p> <div class="mw-heading mw-heading2"><h2 id="Tulajdonságai"><span id="Tulajdons.C3.A1gai"></span>Tulajdonságai</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=R%C3%A1dium&action=edit&section=2" title="Szakasz szerkesztése: Tulajdonságai"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Fehér, radioaktív nehézfém.</li> <li>Mind a 28 ismert Ra-<a href="/wiki/Izot%C3%B3p" title="Izotóp">izotóp</a> radioaktív; <a href="/wiki/Felez%C3%A9si_id%C5%91" title="Felezési idő">felezési idejük</a> 1600 év (<sup>226</sup>Ra) és 0,18 µs (<sup>216</sup>Ra) között van.</li> <li>1 g <sup>226</sup>Ra-izotópban másodpercenként 3,7·10<sup>10</sup> mag bomlik el; ez egyúttal az <a href="/wiki/Radioaktivit%C3%A1s" title="Radioaktivitás">aktivitás</a> elavult definíciója is: 1 curie (Ci) aktivitású testben 3,7·10<sup>10</sup> bomlás történik másodpercenként. (Az aktivitás SI-egysége a <a href="/wiki/Becquerel" title="Becquerel">becquerel</a>, jele: Bq. 1 Bq = 1 s<sup>−1</sup>.)</li> <li>A rádium sötétben világít, felületén levegő jelenlétében nagyon gyorsan fekete nitridréteg képződik.</li> <li>A szervezetbe került rádium a csontokba beépül.</li> <li>Higanyban oldódik (ötvözödik). A higany elpárlásával visszamarad a fémrádium.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Kimutatása"><span id="Kimutat.C3.A1sa"></span>Kimutatása</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=R%C3%A1dium&action=edit&section=3" title="Szakasz szerkesztése: Kimutatása"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A rádium minőségi és mennyiségi meghatározása kibocsátott sugárzása alapján történik. </p> <div class="mw-heading mw-heading2"><h2 id="Előfordulása"><span id="El.C5.91fordul.C3.A1sa"></span>Előfordulása</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=R%C3%A1dium&action=edit&section=4" title="Szakasz szerkesztése: Előfordulása"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A rádium rendkívül ritka elem; részaránya a földkéregben mindössze 9,5·10<sup>−11</sup> tömegszázalékra tehető. A természetes radioaktív <a href="/w/index.php?title=Boml%C3%A1si_sor&action=edit&redlink=1" class="new" title="Bomlási sor (a lap nem létezik)">bomlási sorok</a> közbülső terméke, ezért <a href="/wiki/Ur%C3%A1n" title="Urán">urán</a>- és <a href="/wiki/T%C3%B3rium" title="Tórium">tóriumásványok</a> mellett fordul elő. Legfontosabb ásványai: <a href="/wiki/Ur%C3%A1nszurok%C3%A9rc" title="Uránszurokérc">uránszurokérc</a>, <a href="/w/index.php?title=Karnotit&action=edit&redlink=1" class="new" title="Karnotit (a lap nem létezik)">karnotit</a>. Hét tonna uránszurokérc körülbelül 1 g rádiumot tartalmaz. A bolygó fémrádium-készlete körülbelül 5,5 kg. </p> <div class="mw-heading mw-heading2"><h2 id="Előállítása"><span id="El.C5.91.C3.A1ll.C3.ADt.C3.A1sa"></span>Előállítása</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=R%C3%A1dium&action=edit&section=5" title="Szakasz szerkesztése: Előállítása"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ásványait savakban vagy lúgokban oldják, majd sósavat vagy hidrogén-bromidot adnak hozzá, ekkor <a href="/w/index.php?title=R%C3%A1dium-klorid&action=edit&redlink=1" class="new" title="Rádium-klorid (a lap nem létezik)">rádium-klorid</a> vagy <a href="/w/index.php?title=R%C3%A1dium-bromid&action=edit&redlink=1" class="new" title="Rádium-bromid (a lap nem létezik)">rádium-bromid</a> keletkezik, aminek oldatából/olvadékából elektrolízissel állítják elő.Oldat esetében higanykatódot alkalmaznak,mert a rádium reagál vízzel hidrogént szabadítva fel: </p><p>Ra+2H<sub>2</sub>O=Ra(OH)<sub>2</sub>+H<sub>2</sub> </p><p>Higanykatódon a redukálódó rádium ionok amalgám ötvözetet képeznek a higannyal,az elektrolízis befejezése után a higany ledesztilállható,így gyakorlatilag tiszta Ra fémet kapunk. A teljes művelet rendkívül bonyolult,mert kb. 50 egyéb kémiai elemet kell elkülöníteni az uránércekből. </p> <div class="mw-heading mw-heading2"><h2 id="Felhasználása"><span id="Felhaszn.C3.A1l.C3.A1sa"></span>Felhasználása</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=R%C3%A1dium&action=edit&section=6" title="Szakasz szerkesztése: Felhasználása"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A rádiumot a <a href="/wiki/Sug%C3%A1rkezel%C3%A9s" title="Sugárkezelés">sugárkezelésből</a> más, olcsóbb sugárforrások már szinte teljesen kiszorították. <a href="/wiki/Berillium" title="Berillium">Berilliummal</a> együtt kényelmesen kezelhető, nagyenergiájú neutronforrás. A rádium bomlásakor keletkező radioaktív gázt, a <a href="/wiki/Radon" title="Radon">radont</a> felfogták, és belégzéses gyógykezelésre (inhalációs terápia) alkalmazták, bár az efféle "radonterápia" gyógyhatása nem bizonyított. </p> <div class="mw-heading mw-heading2"><h2 id="Források"><span id="Forr.C3.A1sok"></span>Források</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=R%C3%A1dium&action=edit&section=7" title="Szakasz szerkesztése: Források"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="tarsprojekt-alap noviewer"> <style data-mw-deduplicate="TemplateStyles:r27252708">.mw-parser-output .tarsprojekt-alap{float:right;clear:right;width:272px;display:flex;column-gap:10px;margin:0 0 1em 1em;border:1px solid #a2a9b1;padding:4px;background-color:var(--background-color-neutral-subtle,#f8f9fa);color:var(--color-base,#202122);font-size:95%}@media screen and (max-width:719px){.mw-parser-output .tarsprojekt-alap{float:none;width:auto;margin:0 0 1em}}@media print{.mw-parser-output .tarsprojekt-alap{display:none}}</style> <div class="tarsprojekt-alap-ikon"><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/Category:Radium" title="commons:Category:Radium"><img alt="Commons:Category:Radium" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/60px-Commons-logo.svg.png" decoding="async" width="50" height="67" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/120px-Commons-logo.svg.png 1.5x" data-file-width="1024" data-file-height="1376" /></a></span></div> <div class="tarsprojekt-alap-szoveg">A <a href="/wiki/Wikim%C3%A9dia_Commons" title="Wikimédia Commons">Wikimédia Commons</a> tartalmaz <i><b><a href="https://commons.wikimedia.org/wiki/Category:Radium" class="extiw" title="commons:Category:Radium">Rádium</a></b></i> témájú médiaállományokat.</div> </div> <ul><li>Hans Breuer: SH Atlasz Kémia, Springer Hungarica Kiadó Kft. Bp. 1995.</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r26593303">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist 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href="mw-data:TemplateStyles:r26593303" /><span style="display:none"><a href="/wiki/Sablon:Alk%C3%A1lif%C3%B6ldf%C3%A9mek" title="Sablon:Alkáliföldfémek">Sablon:Alkáliföldfémek</a></span><ul style="display:inline"><li class="nv-view"><a class="external text" href="https://hu.wikipedia.org/wiki/Sablon:Alk%C3%A1lif%C3%B6ldf%C3%A9mek"><span title="Mutasd ezt a sablont" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">m</span></a></li> <li class="nv-talk"><a class="external text" href="https://hu.wikipedia.org/wiki/Sablonvita:Alk%C3%A1lif%C3%B6ldf%C3%A9mek"><span title="A sablon vitalapja" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">v</span></a></li> <li class="nv-edit"><a class="external text" href="https://hu.wikipedia.org/w/index.php?title=Sablon:Alk%C3%A1lif%C3%B6ldf%C3%A9mek&action=edit"><span title="A sablon szerkesztése" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">sz</span></a></li></ul></div><div id="Alkáliföldfémek" style="font-size:114%;margin:0 4em"><a href="/wiki/Alk%C3%A1lif%C3%B6ldf%C3%A9mek" title="Alkáliföldfémek">Alkáliföldfémek</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0;background:transparent;color:inherit;"><div style="padding:0px;"><table cellspacing="0" class="navbox-columns-table" style="text-align:left;width:auto;margin-left:auto;margin-right:auto;"><tbody><tr style="vertical-align:top;"><td style="width:5em;">   </td><td style="padding:0px;text-align:center;vertical-align:top;;;width:16%;"><div> <p><a href="/wiki/Berillium" title="Berillium">Berillium</a> <br /> <span style="font-size:large">Be</span> <br /> <small>Rendszám: 4 <br /> Atomtömeg: 9,01 g/mol<br /> Olvadáspont: 1287 °C <br /> Forráspont: 2469 °C <br /> Elektronegativitás: 1,57</small> </p> </div></td><td style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;vertical-align:top;;;width:16%;"><div> <p><a href="/wiki/Magn%C3%A9zium" title="Magnézium">Magnézium</a> <br /> <span style="font-size:large">Mg</span> <br /> <small>Rendszám: 12 <br /> Atomtömeg: 24,305 g/mol<br /> Olvadáspont: 650 °C <br /> Forráspont: 1090 °C <br /> Elektronegativitás: 1,31</small> </p> </div></td><td style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;vertical-align:top;;;width:16%;"><div> <p><a href="/wiki/Kalcium" title="Kalcium">Kalcium</a> <br /> <span style="font-size:large">Ca</span> <br /> <small>Rendszám: 20 <br /> Atomtömeg: 40,078 g/mol<br /> Olvadáspont: 842 °C <br /> Forráspont: 1484 °C <br /> Elektronegativitás: 1,00</small> </p> </div></td><td style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;vertical-align:top;;;width:16%;"><div> <p><a href="/wiki/Stroncium" title="Stroncium">Stroncium</a> <br /> <span style="font-size:large">Sr</span> <br /> <small>Rendszám: 38 <br /> Atomtömeg: 87,62 g/mol<br /> Olvadáspont: 777 °C <br /> Forráspont: 1382 °C <br /> Elektronegativitás: 0,95</small> </p> </div></td><td style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;vertical-align:top;;;width:16%;"><div> <p><a href="/wiki/B%C3%A1rium" title="Bárium">Bárium</a> <br /> <span style="font-size:large">Ba</span> <br /> <small>Rendszám: 56 <br /> Atomtömeg: 137,327 g/mol<br /> Olvadáspont: 727 °C <br /> Forráspont: 1897 °C <br /> Elektronegativitás: 0,89</small> </p> </div></td><td style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;vertical-align:top;;;width:16%;"><div> <p><a class="mw-selflink selflink">Rádium</a> <br /> <span style="font-size:large">Ra</span> <br /> <small>Rendszám: 88 <br /> Atomtömeg: (226) g/mol<br /> Olvadáspont: 700 °C <br /> Forráspont: 1737 °C <br /> Elektronegativitás: 0,9</small> </p> </div></td></tr></tbody></table></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" 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both;"><div style="margin-left:0; margin-right:2px;"><ul style="display:block; list-style-image:none; list-style-type:none; width:100%; vertical-align:middle; margin:0; padding:0; min-height: 27px;"><li style="float:left; min-height: 27px; line-height:25px; width:100%; margin:0; margin-top:.5em; margin-left:0; margin-right:0; padding:0; border:1px solid #CCF; background-color:#F0EEFF"><span typeof="mw:File"><a href="/wiki/F%C3%A1jl:P_chemistry.svg" class="mw-file-description" title="Kémia"><img alt="Kémia" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/P_chemistry.svg/40px-P_chemistry.svg.png" decoding="async" width="25" height="23" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/P_chemistry.svg/60px-P_chemistry.svg.png 2x" data-file-width="400" data-file-height="360" /></a></span> <b><a href="/wiki/Port%C3%A1l:K%C3%A9mia" title="Portál:Kémia">Kémiaportál</a></b> • összefoglaló, színes tartalomajánló lap</li></ul></div></div> <style 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