Tin vs Gadolinium

PropertySn TinGd Gadolinium
Atomic number5064
SymbolSnGd
NameTinGadolinium
Categorypost-transition-metallanthanide
Standard Atomic Weight118.71 u157.25 u
Period56
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p2[Xe]6s24f75d1
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 1, 2, 3]
Electronegativity (Pauling)1.961.2
Electron affinity1.112 eV0.132 eV
Density7287 kg/m³7900 kg/m³
Melting point231.93 °C1312.85 °C
Boiling point2601.85 °C3272.85 °C
Discovery yearN/A1886