Bromine vs Lead

← Back to Periodic Table
PropertyBr BrominePb Lead
Atomic number3582
SymbolBrPb
NameBromineLead
Categoryhalogenpost-transition-metal
Standard Atomic Weight79.904 u207.2 u
Period46
Group1714
Blockpp
Phase at STPliquidsolid
Electron configuration[Ar]4s23d104p5[Xe]6s24f145d106p2
Oxidation states[-1, 1, 2, 3, 4, 5, 7][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)2.962.33
Electron affinity3.3635 eV0.364 eV
Density3102.8 kg/m³1.134200e+4 kg/m³
Melting point-7.2 °C327.46 °C
Boiling point58.8 °C1748.85 °C
Discovery year18252021