Bromine vs Cadmium

PropertyBr BromineCd Cadmium
Atomic number3548
SymbolBrCd
NameBromineCadmium
Categoryhalogentransition-metal
Standard Atomic Weight79.904 u112.414 u
Period45
Group1712
Blockps
Phase at STPliquidsolid
Electron configuration[Ar]4s23d104p5[Kr]5s24d10
Oxidation states[-1, 1, 2, 3, 4, 5, 7][-2, 1, 2]
Electronegativity (Pauling)2.961.69
Electron affinity3.3635 eV-0.7 eV
Density3102.8 kg/m³8690 kg/m³
Melting point-7.2 °C321.07 °C
Boiling point58.8 °C766.85 °C
Discovery year18251817