H Hydrogen 1.00794 HeHelium 4.002602 LiLithium 6.941 BeBeryllium 9.012182 B Boron 10.811 C Carbon 12.0107 N Nitrogen 14.0067 O Oxygen 15.9994 F Fluorine 18.9984032 NeNeon 20.1797 NaSodium 22.98976928 MgMagnesium 24.3050 AlAluminium 26.9815386 SiSilicon 28.0855 P Phosphorus 30.973762 S Sulfur 32.065 ClChlorine 35.453 ArArgon 39.948 K Potassium 39.0983 CaCalcium 40.078 ScScandium 44.955912 TiTitanium 47.867 V Vanadium 50.9415 CrChromium 51.9961 MnManganese 54.938045 FeIron 55.845 CoCobalt 58.933195 NiNickel 58.6934 CuCopper 63.546 ZnZinc 65.38 GaGallium 69.723 GeGermanium 72.64 AsArsenic 74.92160 SeSelenium 78.96 BrBromine 79.904 KrKrypton 83.798 RbRubidium 85.4678 SrStrontium 87.62 Y Yttrium 88.90585 ZrZirconium 91.224 NbNiobium 92.90638 MoMolybdenum 95.96 TcTechnetium 98 RuRuthenium 101.07 RhRhodium 102.90550 PdPalladium 106.42 AgSilver 107.8682 CdCadmium 112.411 InIndium 114.818 SnTin 118.710 SbAntimony 121.760 TeTellurium 127.60 I Iodine 126.90447 XeXenon 131.293 CsCaesium 132.9054519 BaBarium 137.327 LaLanthanum 138.90547 CeCerium 140.116 PrPraseodymium 140.90765 NdNeodymium 144.242 PmPromethium 145 SmSamarium 150.36 EuEuropium 151.964 GdGadolinium 157.25 TbTerbium 158.92535 DyDysprosium 162.500 HoHolmium 164.93032 ErErbium 167.259 TmThulium 168.93421 YbYtterbium 173.054 LuLutetium 174.9668 HfHafnium 178.49 TaTantalum 180.94788 W Tungsten 183.84 ReRhenium 186.207 OsOsmium 190.23 IrIridium 192.217 PtPlatinum 195.084 AuGold 196.966569 HgMercury 200.59 TlThallium 204.3833 PbLead 207.2 BiBismuth 208.98040 PoPolonium 209 AtAstatine 210 RnRadon 222 FrFrancium 223 RaRadium 226 AcActinium 227 ThThorium 232.03806 PaProtactinium 231.03588 U Uranium 238.02891 NpNeptunium 237 PuPlutonium 244 AmAmericium 243 CmCurium 247 BkBerkelium 247 CfCalifornium 251 EsEinsteinium 252 FmFermium 257 MdMendelevium 258 NoNobelium 259 LrLawrencium 262 RfRutherfordium267