Germanium vs Terbium

PropertyGe GermaniumTb Terbium
Atomic number3265
SymbolGeTb
NameGermaniumTerbium
Categorymetalloidlanthanide
Standard Atomic Weight72.63 u158.92535 u
Period46
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Xe]6s24f9
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 1, 2, 3, 4]
Electronegativity (Pauling)2.01N/A
Electron affinity1.232 eV1.124 eV
Density5323.4 kg/m³8230 kg/m³
Melting point938.25 °C1355.85 °C
Boiling point2832.85 °C3229.85 °C
Discovery year18861843