Germanium vs Lutetium

PropertyGe GermaniumLu Lutetium
Atomic number3271
SymbolGeLu
NameGermaniumLutetium
Categorymetalloidlanthanide
Standard Atomic Weight72.63 u174.9668 u
Period46
Group143
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Xe]6s24f145d1
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 1, 2, 3]
Electronegativity (Pauling)2.011.27
Electron affinity1.232 eV0.346 eV
Density5323.4 kg/m³9840 kg/m³
Melting point938.25 °C1662.85 °C
Boiling point2832.85 °C3401.85 °C
Discovery year18861907