Tin vs Thorium

PropertySn TinTh Thorium
Atomic number5090
SymbolSnTh
NameTinThorium
Categorypost-transition-metalactinide
Standard Atomic Weight118.71 u232.0377 u
Period57
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p2[Rn]7s26d2
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-1, 1, 2, 3, 4]
Electronegativity (Pauling)1.961.3
Electron affinity1.112 eV0.607 eV
Density7287 kg/m³1.172000e+4 kg/m³
Melting point231.93 °C1749.85 °C
Boiling point2601.85 °C4787.85 °C
Discovery yearN/A1828