The ingredients
of everything.
Start with an atom. Discover the structures, materials, and stories it makes possible.
Hydrogen / 01H
NASA’s Earth Observatory
NASA / Chris Gunn
The smallest atom. The biggest story.
From a single proton to the reactions that power the Sun.
Explore hydrogen Carbon / 06CNASA’s Earth ObservatorySame atoms. Different worlds.
Diamond, graphite, and the extraordinary ability to connect.
Explore carbon Gold / 79AuNASA / Chris GunnMore than a precious metal.
Follow gold from delicate leaf to a telescope that sees deep into space.
Explore goldFind an element Search by name, symbol or atomic number
118 elements
HHydrogen1HeHelium2LiLithium3BeBeryllium4BBoron5CCarbon6NNitrogen7OOxygen8FFluorine9NeNeon10NaSodium11MgMagnesium12AlAluminium13SiSilicon14PPhosphorus15SSulfur16ClChlorine17ArArgon18KPotassium19CaCalcium20ScScandium21TiTitanium22VVanadium23CrChromium24MnManganese25FeIron26CoCobalt27NiNickel28CuCopper29ZnZinc30GaGallium31GeGermanium32AsArsenic33SeSelenium34BrBromine35KrKrypton36RbRubidium37SrStrontium38YYttrium39ZrZirconium40NbNiobium41MoMolybdenum42TcTechnetium43RuRuthenium44RhRhodium45PdPalladium46AgSilver47CdCadmium48InIndium49SnTin50SbAntimony51TeTellurium52IIodine53XeXenon54CsCesium55BaBarium56LaLanthanum57CeCerium58PrPraseodymium59NdNeodymium60PmPromethium61SmSamarium62EuEuropium63GdGadolinium64TbTerbium65DyDysprosium66HoHolmium67ErErbium68TmThulium69YbYtterbium70LuLutetium71HfHafnium72TaTantalum73WTungsten74ReRhenium75OsOsmium76IrIridium77PtPlatinum78AuGold79HgMercury80TlThallium81PbLead82BiBismuth83PoPolonium84AtAstatine85RnRadon86FrFrancium87RaRadium88AcActinium89ThThorium90PaProtactinium91UUranium92NpNeptunium93PuPlutonium94AmAmericium95CmCurium96BkBerkelium97CfCalifornium98EsEinsteinium99FmFermium100MdMendelevium101NoNobelium102LrLawrencium103RfRutherfordium104DbDubnium105SgSeaborgium106BhBohrium107HsHassium108MtMeitnerium109DsDarmstadtium110RgRoentgenium111CnCopernicium112NhNihonium113FlFlerovium114McMoscovium115LvLivermorium116TsTennessine117OgOganesson118