Chlorine vs Cadmium

PropertyCl ChlorineCd Cadmium
Atomic number1748
SymbolClCd
NameChlorineCadmium
Categoryhalogentransition-metal
Standard Atomic Weight35.4515 u112.414 u
Period35
Group1712
Blockps
Phase at STPgassolid
Electron configuration[Ne]3s23p5[Kr]5s24d10
Oxidation states[-1, 1, 2, 3, 4, 5, 6, 7][-2, 1, 2]
Electronegativity (Pauling)3.161.69
Electron affinity3.6127 eV-0.7 eV
Density3.214 kg/m³8690 kg/m³
Melting point-101.5 °C321.07 °C
Boiling point-34.04 °C766.85 °C
Discovery year17741817