Carbon vs Californium

PropertyC CarbonCf Californium
Atomic number698
SymbolCCf
NameCarbonCalifornium
Categorynonmetalactinide
Standard Atomic Weight12.0106 u251 u
Period27
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[He]2s22p2[Rn]7s25f10
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][2, 3, 4, 5]
Electronegativity (Pauling)2.551.3
Electron affinity1.2621 eV-0.5 eV
Density2267 kg/m³1.510000e+4 kg/m³
Melting point3549.85 °C899.85 °C
Boiling point3824.85 °C-273.15 °C
Discovery year17971950