Platinum vs Rutherfordium

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PropertyPt PlatinumRf Rutherfordium
Atomic number78104
SymbolPtRf
NamePlatinumRutherfordium
Categorytransition-metaltransition-metal
Standard Atomic Weight195.084 u263 u
Period67
Group104
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s14f145d9[Rn]7s25f146d2
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5, 6][3, 4]
Electronegativity (Pauling)2.28N/A
Electron affinity2.1228 eV0.65 eV
Density2.146000e+4 kg/m³2.330000e+4 kg/m³
Melting point1768.4 °C2126.85 °C
Boiling point3824.85 °C5526.85 °C
Discovery year17351964