Copper vs Plutonium

PropertyCu CopperPu Plutonium
Atomic number2994
SymbolCuPu
NameCopperPlutonium
Categorytransition-metalactinide
Standard Atomic Weight63.546 u244 u
Period47
Group11N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s13d10[Rn]7s25f6
Oxidation states[-2, 0, 1, 2, 3, 4][2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)1.91.28
Electron affinity1.235 eV-0.5 eV
Density8933 kg/m³1.984000e+4 kg/m³
Melting point1084.62 °C639.85 °C
Boiling point2561.85 °C3227.85 °C
Discovery yearN/A1941