Palladium vs Plutonium

PropertyPd PalladiumPu Plutonium
Atomic number4694
SymbolPdPu
NamePalladiumPlutonium
Categorytransition-metalactinide
Standard Atomic Weight106.42 u244 u
Period57
Group10N/A
Blockds
Phase at STPsolidsolid
Electron configuration[Kr]4d10[Rn]7s25f6
Oxidation states[1, 2, 3, 4, 5][2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)2.21.28
Electron affinity0.557 eV-0.5 eV
Density1.200000e+4 kg/m³1.984000e+4 kg/m³
Melting point1554.9 °C639.85 °C
Boiling point2962.85 °C3227.85 °C
Discovery year18031941