Palladium vs Rutherfordium

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PropertyPd PalladiumRf Rutherfordium
Atomic number46104
SymbolPdRf
NamePalladiumRutherfordium
Categorytransition-metaltransition-metal
Standard Atomic Weight106.42 u263 u
Period57
Group104
Blockds
Phase at STPsolidsolid
Electron configuration[Kr]4d10[Rn]7s25f146d2
Oxidation states[1, 2, 3, 4, 5][3, 4]
Electronegativity (Pauling)2.2N/A
Electron affinity0.557 eV0.65 eV
Density1.200000e+4 kg/m³2.330000e+4 kg/m³
Melting point1554.9 °C2126.85 °C
Boiling point2962.85 °C5526.85 °C
Discovery year18031964