Carbon vs Terbium

PropertyC CarbonTb Terbium
Atomic number665
SymbolCTb
NameCarbonTerbium
Categorynonmetallanthanide
Standard Atomic Weight12.0106 u158.92535 u
Period26
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[He]2s22p2[Xe]6s24f9
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 1, 2, 3, 4]
Electronegativity (Pauling)2.55N/A
Electron affinity1.2621 eV1.124 eV
Density2267 kg/m³8230 kg/m³
Melting point3549.85 °C1355.85 °C
Boiling point3824.85 °C3229.85 °C
Discovery year17971843