Interactive
The periodic table
All 118 elements, colour-coded by category. Choose an element to see its atomic mass, electron configuration, a Bohr diagram and a 3D model.
Tap or click any element to explore it. On a phone, swipe sideways to see the whole table.
1HHydrogen1.0082HeHelium4.0033LiLithium6.9414BeBeryllium9.0125BBoron10.816CCarbon12.017NNitrogen14.018OOxygen16.009FFluorine19.0010NeNeon20.1811NaSodium22.9912MgMagnesium24.3113AlAluminium26.9814SiSilicon28.0915PPhosphorus30.9716SSulfur32.0717ClChlorine35.4518ArArgon39.9519KPotassium39.1020CaCalcium40.0821ScScandium44.9622TiTitanium47.8723VVanadium50.9424CrChromium52.0025MnManganese54.9426FeIron55.8527CoCobalt58.9328NiNickel58.6929CuCopper63.5530ZnZinc65.3831GaGallium69.7232GeGermanium72.6333AsArsenic74.9234SeSelenium78.9735BrBromine79.9036KrKrypton83.8037RbRubidium85.4738SrStrontium87.6239YYttrium88.9140ZrZirconium91.2241NbNiobium92.9142MoMolybdenum95.9543TcTechnetium(98)44RuRuthenium101.145RhRhodium102.946PdPalladium106.447AgSilver107.948CdCadmium112.449InIndium114.850SnTin118.751SbAntimony121.852TeTellurium127.653IIodine126.954XeXenon131.355CsCaesium132.956BaBarium137.357LaLanthanum138.958CeCerium140.159PrPraseodymium140.960NdNeodymium144.261PmPromethium(145)62SmSamarium150.463EuEuropium152.064GdGadolinium157.365TbTerbium158.966DyDysprosium162.567HoHolmium164.968ErErbium167.369TmThulium168.970YbYtterbium173.071LuLutetium175.072HfHafnium178.573TaTantalum180.974WTungsten183.875ReRhenium186.276OsOsmium190.277IrIridium192.278PtPlatinum195.179AuGold197.080HgMercury200.681TlThallium204.482PbLead207.283BiBismuth209.084PoPolonium(209)85AtAstatine(210)86RnRadon(222)87FrFrancium(223)88RaRadium(226)89AcActinium(227)90ThThorium232.091PaProtactinium231.092UUranium238.093NpNeptunium(237)94PuPlutonium(244)95AmAmericium(243)96CmCurium(247)97BkBerkelium(247)98CfCalifornium(251)99EsEinsteinium(252)100FmFermium(257)101MdMendelevium(258)102NoNobelium(259)103LrLawrencium(266)104RfRutherfordium(267)105DbDubnium(268)106SgSeaborgium(269)107BhBohrium(270)108HsHassium(277)109MtMeitnerium(278)110DsDarmstadtium(281)111RgRoentgenium(282)112CnCopernicium(285)113NhNihonium(286)114FlFlerovium(289)115McMoscovium(290)116LvLivermorium(293)117TsTennessine(294)118OgOganesson(294)LanthanidesActinides
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