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Period 6 Elements

Elements in period 6 have the same number of electron shells (6).

55CsCesium132.9156BaBarium137.3357LaLanthanum138.9158CeCerium140.1259PrPraseodymium140.9160NdNeodymium144.2461PmPromethium14562SmSamarium150.3663EuEuropium151.9664GdGadolinium157.2565TbTerbium158.9366DyDysprosium162.567HoHolmium164.9368ErErbium167.2669TmThulium168.9370YbYtterbium173.0571LuLutetium174.9772HfHafnium178.4973TaTantalum180.9574WTungsten183.8475ReRhenium186.2176OsOsmium190.2377IrIridium192.2278PtPlatinum195.0879AuGold196.9780HgMercury200.5981TlThallium204.3882PbLead207.283BiBismuth208.9884PoPolonium20985AtAstatine21086RnRadon222