Carbon vs Gadolinium

PropertyC CarbonGd Gadolinium
Atomic number664
SymbolCGd
NameCarbonGadolinium
Categorynonmetallanthanide
Standard Atomic Weight12.0106 u157.25 u
Period26
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[He]2s22p2[Xe]6s24f75d1
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 1, 2, 3]
Electronegativity (Pauling)2.551.2
Electron affinity1.2621 eV0.132 eV
Density2267 kg/m³7900 kg/m³
Melting point3549.85 °C1312.85 °C
Boiling point3824.85 °C3272.85 °C
Discovery year17971886