Germanium vs Gadolinium

PropertyGe GermaniumGd Gadolinium
Atomic number3264
SymbolGeGd
NameGermaniumGadolinium
Categorymetalloidlanthanide
Standard Atomic Weight72.63 u157.25 u
Period46
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Xe]6s24f75d1
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 1, 2, 3]
Electronegativity (Pauling)2.011.2
Electron affinity1.232 eV0.132 eV
Density5323.4 kg/m³7900 kg/m³
Melting point938.25 °C1312.85 °C
Boiling point2832.85 °C3272.85 °C
Discovery year18861886