Cadmium vs Plutonium

PropertyCd CadmiumPu Plutonium
Atomic number4894
SymbolCdPu
NameCadmiumPlutonium
Categorytransition-metalactinide
Standard Atomic Weight112.414 u244 u
Period57
Group12N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s24d10[Rn]7s25f6
Oxidation states[-2, 1, 2][2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)1.691.28
Electron affinity-0.7 eV-0.5 eV
Density8690 kg/m³1.984000e+4 kg/m³
Melting point321.07 °C639.85 °C
Boiling point766.85 °C3227.85 °C
Discovery year18171941