Germanium vs Barium

PropertyGe GermaniumBa Barium
Atomic number3256
SymbolGeBa
NameGermaniumBarium
Categorymetalloidalkaline-earth-metal
Standard Atomic Weight72.63 u137.327 u
Period46
Group142
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Xe]6s2
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][1, 2]
Electronegativity (Pauling)2.010.89
Electron affinity1.232 eV0.1447 eV
Density5323.4 kg/m³3620 kg/m³
Melting point938.25 °C726.85 °C
Boiling point2832.85 °C1896.85 °C
Discovery year18861808