Carbon vs Fermium

PropertyC CarbonFm Fermium
Atomic number6100
SymbolCFm
NameCarbonFermium
Categorynonmetalactinide
Standard Atomic Weight12.0106 u257 u
Period27
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[He]2s22p2[Rn] 5f12 7s2
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][2, 3]
Electronegativity (Pauling)2.551.3
Electron affinity1.2621 eV0.339 eV
Density2267 kg/m³9700 kg/m³
Melting point3549.85 °C1526.85 °C
Boiling point3824.85 °C-273.15 °C
Discovery year17971952