Germanium vs Polonium

PropertyGe GermaniumPo Polonium
Atomic number3284
SymbolGePo
NameGermaniumPolonium
Categorymetalloidmetalloid
Standard Atomic Weight72.63 u209 u
Period46
Group1416
Blockpp
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Xe]6s24f145d106p4
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-2, 2, 4, 5, 6]
Electronegativity (Pauling)2.012
Electron affinity1.232 eV1.9 eV
Density5323.4 kg/m³9320 kg/m³
Melting point938.25 °C253.85 °C
Boiling point2832.85 °C961.85 °C
Discovery year18861898