Germanium vs Europium

PropertyGe GermaniumEu Europium
Atomic number3263
SymbolGeEu
NameGermaniumEuropium
Categorymetalloidlanthanide
Standard Atomic Weight72.63 u151.964 u
Period46
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Xe]6s24f7
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 2, 3]
Electronegativity (Pauling)2.01N/A
Electron affinity1.232 eV0.116 eV
Density5323.4 kg/m³5240 kg/m³
Melting point938.25 °C821.85 °C
Boiling point2832.85 °C1528.85 °C
Discovery year18861896