Germanium vs Einsteinium

PropertyGe GermaniumEs Einsteinium
Atomic number3299
SymbolGeEs
NameGermaniumEinsteinium
Categorymetalloidactinide
Standard Atomic Weight72.63 u252 u
Period47
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Rn]7s25f11
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][2, 3, 4]
Electronegativity (Pauling)2.011.3
Electron affinity1.232 eV-0.3 eV
Density5323.4 kg/m³8840 kg/m³
Melting point938.25 °C859.85 °C
Boiling point2832.85 °C-273.15 °C
Discovery year18861952