Palladium vs Americium

PropertyPd PalladiumAm Americium
Atomic number4695
SymbolPdAm
NamePalladiumAmericium
Categorytransition-metalactinide
Standard Atomic Weight106.42 u243 u
Period57
Group10N/A
Blockds
Phase at STPsolidsolid
Electron configuration[Kr]4d10[Rn]7s25f7
Oxidation states[1, 2, 3, 4, 5][2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)2.21.3
Electron affinity0.557 eV0.1 eV
Density1.200000e+4 kg/m³1.369000e+4 kg/m³
Melting point1554.9 °C1175.85 °C
Boiling point2962.85 °C2010.85 °C
Discovery year18031944