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Disponibil în 40 limbi" > <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-40" 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">40 limbi</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%83%D8%AA%D9%84%D8%A9_%D8%B0%D8%B1%D9%8A%D8%A9_%D9%86%D8%B3%D8%A8%D9%8A%D8%A9" title="كتلة ذرية نسبية – arabă" lang="ar" hreflang="ar" data-title="كتلة ذرية نسبية" data-language-autonym="العربية" data-language-local-name="arabă" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D0%B4%D0%BD%D0%BE%D1%81%D0%BD%D0%B0%D1%8F_%D0%B0%D1%82%D0%B0%D0%BC%D0%BD%D0%B0%D1%8F_%D0%BC%D0%B0%D1%81%D0%B0" title="Адносная атамная маса – belarusă" lang="be" hreflang="be" data-title="Адносная атамная маса" data-language-autonym="Беларуская" data-language-local-name="belarusă" 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%90%D0%B4%D0%BD%D0%BE%D1%81%D0%BD%D0%B0%D1%8F_%D0%B0%D1%82%D0%B0%D0%BC%D0%BD%D0%B0%D1%8F_%D0%BC%D0%B0%D1%81%D0%B0" title="Адносная атамная маса – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Адносная атамная маса" 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-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%86%E0%A6%AA%E0%A7%87%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%BF%E0%A6%95_%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A6%AE%E0%A6%BE%E0%A6%A3%E0%A6%AC%E0%A6%BF%E0%A6%95_%E0%A6%AD%E0%A6%B0" title="আপেক্ষিক পারমাণবিক ভর – bengaleză" lang="bn" hreflang="bn" data-title="আপেক্ষিক পারমাণবিক ভর" data-language-autonym="বাংলা" data-language-local-name="bengaleză" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Massa_at%C3%B2mica_relativa" title="Massa atòmica relativa – catalană" lang="ca" hreflang="ca" data-title="Massa atòmica relativa" data-language-autonym="Català" data-language-local-name="catalană" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Relativn%C3%AD_atomov%C3%A1_hmotnost" title="Relativní atomová hmotnost – cehă" lang="cs" hreflang="cs" data-title="Relativní atomová hmotnost" data-language-autonym="Čeština" data-language-local-name="cehă" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Relative_atomic_mass" title="Relative atomic mass – engleză" lang="en" hreflang="en" data-title="Relative atomic mass" data-language-autonym="English" data-language-local-name="engleză" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Masa_at%C3%B3mica_relativa" title="Masa atómica relativa – spaniolă" lang="es" hreflang="es" data-title="Masa atómica relativa" data-language-autonym="Español" data-language-local-name="spaniolă" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AC%D8%B1%D9%85_%D8%A7%D8%AA%D9%85%DB%8C_%D9%86%D8%B3%D8%A8%DB%8C" title="جرم اتمی نسبی – persană" lang="fa" hreflang="fa" data-title="جرم اتمی نسبی" data-language-autonym="فارسی" data-language-local-name="persană" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr badge-Q70894304 mw-list-item" title=""><a href="https://fr.wikipedia.org/wiki/Masse_atomique_relative" title="Masse atomique relative – franceză" lang="fr" hreflang="fr" data-title="Masse atomique relative" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Mais_adamhach_choibhneasta" title="Mais adamhach choibhneasta – irlandeză" lang="ga" hreflang="ga" data-title="Mais adamhach choibhneasta" data-language-autonym="Gaeilge" data-language-local-name="irlandeză" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Glout_breneenagh_conastagh" title="Glout breneenagh conastagh – manx" lang="gv" hreflang="gv" data-title="Glout breneenagh conastagh" data-language-autonym="Gaelg" data-language-local-name="manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A9%D7%A7%D7%9C_%D7%90%D7%98%D7%95%D7%9E%D7%99" title="משקל אטומי – ebraică" lang="he" hreflang="he" data-title="משקל אטומי" data-language-autonym="עברית" data-language-local-name="ebraică" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AA%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%A3%E0%A5%81_%E0%A4%AD%E0%A4%BE%E0%A4%B0" title="परमाणु भार – hindi" lang="hi" hreflang="hi" data-title="परमाणु भार" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Atomic_weight" title="Atomic weight – Fiji Hindi" lang="hif" hreflang="hif" data-title="Atomic weight" 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/Relativna_atomska_masa" title="Relativna atomska masa – croată" lang="hr" hreflang="hr" data-title="Relativna atomska masa" data-language-autonym="Hrvatski" data-language-local-name="croată" 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/Mas_atomik_mway%C3%A8n" title="Mas atomik mwayèn – haitiană" lang="ht" hreflang="ht" data-title="Mas atomik mwayèn" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitiană" 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%80%D5%A1%D6%80%D5%A1%D5%A2%D5%A5%D6%80%D5%A1%D5%AF%D5%A1%D5%B6_%D5%A1%D5%BF%D5%B8%D5%B4%D5%A1%D5%B5%D5%AB%D5%B6_%D5%A6%D5%A1%D5%B6%D5%A3%D5%BE%D5%A1%D5%AE" title="Հարաբերական ատոմային զանգված – armeană" lang="hy" hreflang="hy" data-title="Հարաբերական ատոմային զանգված" data-language-autonym="Հայերեն" data-language-local-name="armeană" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Massa_atom_relatif" title="Massa atom relatif – indoneziană" lang="id" hreflang="id" data-title="Massa atom relatif" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneziană" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Atomiko_a_kadagsen" title="Atomiko a kadagsen – iloko" lang="ilo" hreflang="ilo" data-title="Atomiko a kadagsen" data-language-autonym="Ilokano" data-language-local-name="iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Massa_atomica_relativa" title="Massa atomica relativa – italiană" lang="it" hreflang="it" data-title="Massa atomica relativa" data-language-autonym="Italiano" data-language-local-name="italiană" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja badge-Q70894304 mw-list-item" title=""><a href="https://ja.wikipedia.org/wiki/%E7%9B%B8%E5%AF%BE%E5%8E%9F%E5%AD%90%E8%B3%AA%E9%87%8F" title="相対原子質量 – japoneză" lang="ja" hreflang="ja" data-title="相対原子質量" data-language-autonym="日本語" data-language-local-name="japoneză" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AA%E0%B2%B0%E0%B2%AE%E0%B2%BE%E0%B2%A3%E0%B3%81_%E0%B2%A4%E0%B3%82%E0%B2%95" title="ಪರಮಾಣು ತೂಕ – kannada" lang="kn" hreflang="kn" data-title="ಪರಮಾಣು ತೂಕ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%83%81%EB%8C%80_%EC%9B%90%EC%9E%90_%EC%A7%88%EB%9F%89" title="상대 원자 질량 – coreeană" lang="ko" hreflang="ko" data-title="상대 원자 질량" data-language-autonym="한국어" data-language-local-name="coreeană" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Giraniya_atom%C3%AA" title="Giraniya atomê – kurdă" lang="ku" hreflang="ku" data-title="Giraniya atomê" data-language-autonym="Kurdî" data-language-local-name="kurdă" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D1%81%D0%BA%D0%B0_%D1%82%D0%B5%D0%B6%D0%B8%D0%BD%D0%B0" title="Атомска тежина – macedoneană" lang="mk" hreflang="mk" data-title="Атомска тежина" data-language-autonym="Македонски" data-language-local-name="macedoneană" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Jisim_atom_relatif" title="Jisim atom relatif – malaeză" lang="ms" hreflang="ms" data-title="Jisim atom relatif" data-language-autonym="Bahasa Melayu" data-language-local-name="malaeză" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Relativ_molekylmasse" title="Relativ molekylmasse – norvegiană nynorsk" lang="nn" hreflang="nn" data-title="Relativ molekylmasse" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegiană nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B8%E0%A8%BE%E0%A8%AA%E0%A9%87%E0%A8%96%E0%A8%BF%E0%A8%95_%E0%A8%90%E0%A8%9F%E0%A8%AE%E0%A9%80_%E0%A8%AA%E0%A9%81%E0%A9%B0%E0%A8%9C" title="ਸਾਪੇਖਿਕ ਐਟਮੀ ਪੁੰਜ – punjabi" lang="pa" hreflang="pa" data-title="ਸਾਪੇਖਿਕ ਐਟਮੀ ਪੁੰਜ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl badge-Q70894304 mw-list-item" title=""><a href="https://pl.wikipedia.org/wiki/Wzgl%C4%99dna_masa_atomowa" title="Względna masa atomowa – poloneză" lang="pl" hreflang="pl" data-title="Względna masa atomowa" data-language-autonym="Polski" data-language-local-name="poloneză" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Relative_atomic_mass" title="Relative atomic mass – Simple English" lang="en-simple" hreflang="en-simple" data-title="Relative atomic mass" 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/Relat%C3%ADvna_at%C3%B3mov%C3%A1_hmotnos%C5%A5" title="Relatívna atómová hmotnosť – slovacă" lang="sk" hreflang="sk" data-title="Relatívna atómová hmotnosť" data-language-autonym="Slovenčina" data-language-local-name="slovacă" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D1%81%D0%BA%D0%B0_%D1%82%D0%B5%D0%B6%D0%B8%D0%BD%D0%B0" title="Атомска тежина – sârbă" lang="sr" hreflang="sr" data-title="Атомска тежина" data-language-autonym="Српски / srpski" data-language-local-name="sârbă" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B8%AB%E0%B8%99%E0%B8%B1%E0%B8%81%E0%B8%AD%E0%B8%B0%E0%B8%95%E0%B8%AD%E0%B8%A1" title="น้ำหนักอะตอม – thailandeză" lang="th" hreflang="th" data-title="น้ำหนักอะตอม" data-language-autonym="ไทย" data-language-local-name="thailandeză" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Atomikong_timbang" title="Atomikong timbang – tagalog" lang="tl" hreflang="tl" data-title="Atomikong timbang" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Atom_a%C4%9F%C4%B1rl%C4%B1%C4%9F%C4%B1" title="Atom ağırlığı – turcă" lang="tr" hreflang="tr" data-title="Atom ağırlığı" data-language-autonym="Türkçe" data-language-local-name="turcă" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%92%D1%96%D0%B4%D0%BD%D0%BE%D1%81%D0%BD%D0%B0_%D0%B0%D1%82%D0%BE%D0%BC%D0%BD%D0%B0_%D0%BC%D0%B0%D1%81%D0%B0" title="Відносна атомна маса – ucraineană" lang="uk" hreflang="uk" data-title="Відносна атомна маса" data-language-autonym="Українська" data-language-local-name="ucraineană" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Nisbiy_atom_massa" title="Nisbiy atom massa – uzbecă" lang="uz" hreflang="uz" data-title="Nisbiy atom massa" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbecă" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-zh badge-Q70894304 mw-list-item" title=""><a href="https://zh.wikipedia.org/wiki/%E7%9B%B8%E5%AF%B9%E5%8E%9F%E5%AD%90%E8%B4%A8%E9%87%8F" title="相对原子质量 – chineză" lang="zh" hreflang="zh" data-title="相对原子质量" data-language-autonym="中文" data-language-local-name="chineză" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Siong-t%C3%B9i_go%C3%A2n-ch%C3%BA_chit-li%C5%8Dng" title="Siong-tùi goân-chú chit-liōng – chineză min nan" lang="nan" hreflang="nan" data-title="Siong-tùi goân-chú chit-liōng" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="chineză min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</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/Q41377#sitelinks-wikipedia" title="Modifică legăturile interlinguale" class="wbc-editpage">Modifică legăturile</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="Spații de nume"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul 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vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&action=edit" title="Modificați codul sursă al acestei pagini [e]" accesskey="e"><span>Modificare sursă</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&action=history" title="Versiunile anterioare ale paginii și autorii lor. 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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">Unelte</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">ascunde</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Mai multe opțiuni" > <div class="vector-menu-heading"> Acțiuni </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/Mas%C4%83_atomic%C4%83_relativ%C4%83"><span>Lectură</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&veaction=edit" title="Modificați această pagină cu EditorulVizual [v]" accesskey="v"><span>Modificare</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&action=edit" title="Modificați codul sursă al acestei pagini [e]" accesskey="e"><span>Modificare sursă</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&action=history"><span>Istoric</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:Ce_se_leag%C4%83_aici/Mas%C4%83_atomic%C4%83_relativ%C4%83" title="Lista tuturor paginilor wiki care conduc spre această pagină [j]" accesskey="j"><span>Ce trimite aici</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Modific%C4%83ri_corelate/Mas%C4%83_atomic%C4%83_relativ%C4%83" rel="nofollow" title="Schimbări recente în legătură cu această pagină [k]" accesskey="k"><span>Schimbări corelate</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:Trimite_fi%C8%99ier" title="Încărcare fișiere [u]" accesskey="u"><span>Trimite fișier</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:Pagini_speciale" title="Lista tuturor paginilor speciale [q]" accesskey="q"><span>Pagini speciale</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&oldid=16103538" title="Legătură permanentă către această versiune a acestei pagini"><span>Legătură permanentă</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&action=info" title="Mai multe informații despre această pagină"><span>Informații despre pagină</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citeaz%C4%83&page=Mas%C4%83_atomic%C4%83_relativ%C4%83&id=16103538&wpFormIdentifier=titleform" title="Informații cu privire la modul de citare a acestei pagini"><span>Citează acest articol</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlQ%C4%B1sald%C4%B1c%C4%B1s%C4%B1&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FMas%25C4%2583_atomic%25C4%2583_relativ%25C4%2583"><span>Obține URL scurtat</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrKodu&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FMas%25C4%2583_atomic%25C4%2583_relativ%25C4%2583"><span>Descărcați codul QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Tipărire/exportare </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=Special:Carte&bookcmd=book_creator&referer=Mas%C4%83+atomic%C4%83+relativ%C4%83"><span>Creare carte</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Mas%C4%83_atomic%C4%83_relativ%C4%83&action=show-download-screen"><span>Descărcare ca PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&printable=yes" title="Versiunea de tipărit a acestei pagini [p]" accesskey="p"><span>Versiune de tipărit</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"> În alte proiecte </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q41377" title="Legătură către elementul asociat din depozitul de date [g]" accesskey="g"><span>Element Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspect"> <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">Aspect</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ascunde</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">De la Wikipedia, enciclopedia liberă</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ro" dir="ltr"><div role="note" class="dezambiguizare">Nu confundați cu <a href="/wiki/Mas%C4%83_atomic%C4%83" title="Masă atomică">Masă atomică</a>.</div> <p><b>Masa atomică relativă</b> (cu simbolul <i>A</i><sub>r</sub>) este o <a href="/wiki/M%C4%83rime_fizic%C4%83" title="Mărime fizică">mărime fizică</a> adimensională, ce reprezintă raportul dintre <a href="/wiki/Mas%C4%83" title="Masă">masa medie</a> a <a href="/wiki/Atom" title="Atom">atomilor</a> unui <a href="/wiki/Element_chimic" title="Element chimic">element chimic</a> și <a href="/wiki/Unitate_atomic%C4%83_de_mas%C4%83" title="Unitate atomică de masă">unitatea atomică de masă</a>, care la rândul său este <span style="white-space:nowrap" class="template-frac"><sup>1</sup><big>⁄</big><sub>12</sub></span> din masa atomului izotopului de <a href="/wiki/Carbon-12" class="mw-redirect" title="Carbon-12">carbon-12</a>.<sup id="cite_ref-IUPAC1979_1-0" class="reference"><a href="#cite_note-IUPAC1979-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-GreenBook_2-0" class="reference"><a href="#cite_note-GreenBook-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Determinare">Determinare</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&veaction=edit&section=1" title="Modifică secțiunea: Determinare" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&action=edit&section=1" title="Edit section's source code: Determinare"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading2"><h2 id="Vezi_și"><span id="Vezi_.C8.99i"></span>Vezi și</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&veaction=edit&section=2" title="Modifică secțiunea: Vezi și" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&action=edit&section=2" title="Edit section's source code: Vezi și"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Mas%C4%83_atomic%C4%83" title="Masă atomică">Masă atomică</a></li> <li><a href="/wiki/Mas%C4%83_molar%C4%83" title="Masă molară">Masă molară</a></li> <li><a href="/wiki/Unitate_atomic%C4%83_de_mas%C4%83" title="Unitate atomică de masă">Unitate atomică de masă</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Referințe"><span id="Referin.C8.9Be"></span>Referințe</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&veaction=edit&section=3" title="Modifică secțiunea: Referințe" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_atomic%C4%83_relativ%C4%83&action=edit&section=3" title="Edit section's source code: Referințe"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-IUPAC1979-1"><b><a href="#cite_ref-IUPAC1979_1-0">^</a></b> <span class="reference-text"><cite class="citation journal"><a href="/wiki/Uniunea_Interna%C8%9Bional%C4%83_de_Chimie_Pur%C4%83_%C8%99i_Aplicat%C4%83" title="Uniunea Internațională de Chimie Pură și Aplicată">Uniunea Internațională de Chimie Pură și Aplicată</a> (<time datetime="1980">1980</time>). <a rel="nofollow" class="external text" href="http://goldbook.iupac.org/publications/pac/1980/pdf/5210x2349.html">„Atomic Weights of the Elements 1979”</a>. <i><a href="/w/index.php?title=Pure_and_Applied_Chemistry&action=edit&redlink=1" class="new" title="Pure and Applied Chemistry — pagină inexistentă">Pure Appl. Chem.</a></i> <b>52</b> (10): 2349–84. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1351%2Fpac198052102349">10.1351/pac198052102349</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Pure+Appl.+Chem.&rft.atitle=Atomic+Weights+of+the+Elements+1979&rft.volume=52&rft.issue=10&rft.pages=2349-84&rft.date=1980&rft_id=info%3Adoi%2F10.1351%2Fpac198052102349&rft.au=Uniunea+Interna%C8%9Bional%C4%83+de+Chimie+Pur%C4%83+%C8%99i+Aplicat%C4%83&rft_id=http%3A%2F%2Fgoldbook.iupac.org%2Fpublications%2Fpac%2F1980%2Fpdf%2F5210x2349.html&rfr_id=info%3Asid%2Fro.wikipedia.org%3AMas%C4%83+atomic%C4%83+relativ%C4%83" class="Z3988"><span style="display:none;"> </span></span><style data-mw-deduplicate="TemplateStyles:r16236537">.mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"„""”""«""»"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}</style><sup>[<i><a href="/wiki/Wikipedia:Leg%C4%83turi_externe" title="Wikipedia:Legături externe">nefuncțională</a></i>]</sup></span> </li> <li id="cite_note-GreenBook-2"><b><a href="#cite_ref-GreenBook_2-0">^</a></b> <span class="reference-text"><a href="/wiki/Uniunea_Interna%C8%9Bional%C4%83_de_Chimie_Pur%C4%83_%C8%99i_Aplicat%C4%83" title="Uniunea Internațională de Chimie Pură și Aplicată">Uniunea Internațională de Chimie Pură și Aplicată</a> (1993). <i>Quantities, Units and Symbols in Physical Chemistry</i>, Ediția a 2-a, Oxford: Blackwell Science. <a href="/wiki/Special:Referin%C8%9Be_%C3%AEn_c%C4%83r%C8%9Bi/0632035838" class="internal mw-magiclink-isbn">ISBN 0-632-03583-8</a>. p. 41. <a rel="nofollow" class="external text" href="http://old.iupac.org/publications/books/gbook/green_book_2ed.pdf">Versiune electronică</a>.</span> </li> </ol></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; 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