Tin vs Americium

PropertySn TinAm Americium
Atomic number5095
SymbolSnAm
NameTinAmericium
Categorypost-transition-metalactinide
Standard Atomic Weight118.71 u243 u
Period57
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p2[Rn]7s25f7
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)1.961.3
Electron affinity1.112 eV0.1 eV
Density7287 kg/m³1.369000e+4 kg/m³
Melting point231.93 °C1175.85 °C
Boiling point2601.85 °C2010.85 °C
Discovery yearN/A1944