Palladium vs Platinum

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PropertyPd PalladiumPt Platinum
Atomic number4678
SymbolPdPt
NamePalladiumPlatinum
Categorytransition-metaltransition-metal
Standard Atomic Weight106.42 u195.084 u
Period56
Group1010
Blockds
Phase at STPsolidsolid
Electron configuration[Kr]4d10[Xe]6s14f145d9
Oxidation states[1, 2, 3, 4, 5][-3, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)2.22.28
Electron affinity0.557 eV2.1228 eV
Density1.200000e+4 kg/m³2.146000e+4 kg/m³
Melting point1554.9 °C1768.4 °C
Boiling point2962.85 °C3824.85 °C
Discovery year18031735