Palladium vs Thorium

PropertyPd PalladiumTh Thorium
Atomic number4690
SymbolPdTh
NamePalladiumThorium
Categorytransition-metalactinide
Standard Atomic Weight106.42 u232.0377 u
Period57
Group10N/A
Blockds
Phase at STPsolidsolid
Electron configuration[Kr]4d10[Rn]7s26d2
Oxidation states[1, 2, 3, 4, 5][-1, 1, 2, 3, 4]
Electronegativity (Pauling)2.21.3
Electron affinity0.557 eV0.607 eV
Density1.200000e+4 kg/m³1.172000e+4 kg/m³
Melting point1554.9 °C1749.85 °C
Boiling point2962.85 °C4787.85 °C
Discovery year18031828