Germanium vs Fermium

PropertyGe GermaniumFm Fermium
Atomic number32100
SymbolGeFm
NameGermaniumFermium
Categorymetalloidactinide
Standard Atomic Weight72.63 u257 u
Period47
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Rn] 5f12 7s2
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][2, 3]
Electronegativity (Pauling)2.011.3
Electron affinity1.232 eV0.339 eV
Density5323.4 kg/m³9700 kg/m³
Melting point938.25 °C1526.85 °C
Boiling point2832.85 °C-273.15 °C
Discovery year18861952