Carbon vs Rutherfordium

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PropertyC CarbonRf Rutherfordium
Atomic number6104
SymbolCRf
NameCarbonRutherfordium
Categorynonmetaltransition-metal
Standard Atomic Weight12.0106 u263 u
Period27
Group144
Blockps
Phase at STPsolidsolid
Electron configuration[He]2s22p2[Rn]7s25f146d2
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][3, 4]
Electronegativity (Pauling)2.55N/A
Electron affinity1.2621 eV0.65 eV
Density2267 kg/m³2.330000e+4 kg/m³
Melting point3549.85 °C2126.85 °C
Boiling point3824.85 °C5526.85 °C
Discovery year17971964