Tin vs Barium

PropertySn TinBa Barium
Atomic number5056
SymbolSnBa
NameTinBarium
Categorypost-transition-metalalkaline-earth-metal
Standard Atomic Weight118.71 u137.327 u
Period56
Group142
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p2[Xe]6s2
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][1, 2]
Electronegativity (Pauling)1.960.89
Electron affinity1.112 eV0.1447 eV
Density7287 kg/m³3620 kg/m³
Melting point231.93 °C726.85 °C
Boiling point2601.85 °C1896.85 °C
Discovery yearN/A1808