Toolbox Toolbox Home Assay Calculator Boiling Points Composition Units Conversion Table Dielectric Constants Flow Rate Conversion Table Fractions Conversion Table Hazard Codes & Pictograms Health & Safety Information Length Conversion Table Melting Points Molarity Calculator Mole Calculator Particle Size Conversion Table pH of Acids & Bases Properties & Identifiers Reference Calculator Scientific Notation Calculator Shapes & Weights Calculator Solution Dilution Calculator Specific Gravity Temperature Conversion Table Thermal Expansion Coefficients U.S. & European Ring Size Chart Volume Conversion Table Weight Conversion Table Periodic Table of the Elements Click the periodic table of the elements image to enlarge or to download. Element Symbols and Atomic NumbersSymbolElementAtomic NumberAcActinium89AlAluminum13AmAmericium95SbAntimony51ArArgon18AsArsenic33AtAstatine85BaBarium56BkBerkelium97BeBeryllium4BiBismuth83BhBohrium107BBoron5BrBromine35CdCadmium48CaCalcium20CfCalifornium98CCarbon6CeCerium58CsCesium55ClChlorine17CrChromium24CoCobalt27CnCopernicium112CuCopper29CmCurium96DsDarmstadtium110DbDubnium105DyDysprosium66EsEinsteinium99ErErbium68EuEuropium63FmFermium100FlFlerovium114FFluorine9FrFrancium87GdGadolinium64GaGallium31GeGermanium32AuGold79HfHafnium72HsHassium108HeHelium2HoHolmium67HHydrogen1InIndium49IIodine53IrIridium77FeIron26KrKrypton36LaLanthanum57LrLawrencium103PbLead82LiLithium3LvLivermorium116LuLutetium71MgMagnesium12MnManganese25MtMeitnerium109MdMendelevium101HgMercury80MoMolybdenum42McMoscovium115NdNeodymium60NeNeon10NpNeptunium93NiNickel28NhNihonium113NbNiobium41NNitrogen7NoNobelium102OgOganesson118OsOsmium76OOxygen8PdPalladium46PPhosphorus15PtPlatinum78PuPlutonium94PoPolonium84KPotassium19PrPraseodymium59PmPromethium61PaProtactinium91RaRadium88RnRadon86ReRhenium75RhRhodium45RgRoentgenium111RbRubidium37RuRuthenium44RfRutherfordium104SmSamarium62ScScandium21SgSeaborgium106SeSelenium34SiSilicon14AgSilver47NaSodium11SrStrontium38SSulfur16TaTantalum73TcTechnetium43TeTellurium52TnTennessine117TbTerbium65TlThallium81ThThorium90TmThulium69SnTin50TiTitanium22WTungsten74UUranium92VVanadium23XeXenon54YbYtterbium70YYttrium39ZnZinc30ZrZirconium40 Download Periodic Table PDF Image