Carbon vs Thulium

PropertyC CarbonTm Thulium
Atomic number669
SymbolCTm
NameCarbonThulium
Categorynonmetallanthanide
Standard Atomic Weight12.0106 u168.93422 u
Period26
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[He]2s22p2[Xe]6s24f13
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 1, 2, 3]
Electronegativity (Pauling)2.551.25
Electron affinity1.2621 eV1.029 eV
Density2267 kg/m³9320 kg/m³
Melting point3549.85 °C1544.85 °C
Boiling point3824.85 °C1949.85 °C
Discovery year17971879