LotukerfiðlotukerfiðLotukerfiðisimage/svg+xmlhttps://ptable.com/image/lotukerfið.svgPtable.com, Michael DayahLotukerfið57–7189–103123456789101112131415Niturflokkur16Chalcogens17Halógenar18123456767CFöstu formiHgVökviHGasformiRfÓþekktMálmurAlkalímálmurJarðalkalímálmurLantaníðAktiníðHliðarmálmurTregur málmurMálmungurMálmleysingiMálmleysingiEðallofttegundAtomic123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118SymbolHHeLiBeBCNOFNeNaMgAlSiPSClArKCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKrRbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXeCsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRnFrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOgNameVetniHelínLitínBeryllínBórKolefniKöfnunarefniSúrefniFlúorNeonNatrínMagnesínÁlKísillFosfórBrennisteinnKlórArgonKalínKalsínSkandínTítanVanadínKrómManganJárnKóboltNikkelKoparSinkGallínGermanArsenSelenBrómKryptonRúbidínStrontínYttrínSirkonNíóbínMólýbdenTeknetínRútenRódínPalladínSilfurKadmínIndínTinAntímonTellúrJoðXenonSesínBarínLantanSerínPraseódýmNeódýmPrómetínSamarínEvrópínGadólínTerbínDysprósínHólmínErbínTúlínYtterbínLútetínHafnínTantalVolframRenínOsmínIridínPlatínaGullKvikasilfurÞallínBlýBismútPólonAstatRadonFransínRadínAktínÞórínPrótaktínÚranNeptúnínPlútonAmeríkínKúrínBerkelínKalifornínEinsteinínFermínMendelevínNóbelínLawrensínRutherfordínDubnínSeborgínBohrínHassínMeitnerínDarmstadtínRöntgenínUnunbínNihoniumFleróvínMoskóvínLivermorínTennessineOganessonMassi1,0084,00266,949,012210,8112,01114,00715,99918,99820,18022,99024,30526,98228,08530,97432,0635,4539,94839,09840,07844,95647,86750,94251,99654,93855,84558,93358,69363,54665,3869,72372,63074,92278,97179,90483,79885,46887,6288,90691,22492,90695,95(98)101,07102,91106,42107,87112,41114,82118,71121,76127,60126,90131,29132,91137,33138,91140,12140,91144,24(145)150,36151,96157,25158,93162,50164,93167,26168,93173,05174,97178,49180,95183,84186,21190,23192,22195,08196,97200,59204,38207,2208,98(209)(210)(222)(223)(226)(227)232,04231,04238,03(237)(244)(243)(247)(247)(251)(252)(257)(258)(259)(266)(267)(268)(269)(270)(277)(278)(281)(282)(285)(286)(289)(290)(293)(294)(294)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 elements with no stable isotopes, the mass number of the isotope with the longest half-life is in parentheses.Ptable® is a registered trademark of Michael Dayah (support@ptable.com). For a fully-interactive edition in 50 languages with property trend visualization, 3-D orbitals, isotopes, compound mixing, lesson plans, posters, wallet cards, and installable apps, visit Ptable.com.Meija, J., Coplen, T., Berglund, M., et al. (2016). Atomic weights of the elements 2013 (IUPAC Technical Report). Pure and Applied Chemistry, 88(3), pp. 265-291.