Tin vs Roentgenium

PropertySn TinRg Roentgenium
Atomic number50111
SymbolSnRg
NameTinRoentgenium
Categorypost-transition-metaltransition-metal
Standard Atomic Weight118.71 u281 u
Period57
Group1411
Blockps
Phase at STPsolidN/A
Electron configuration[Kr]5s24d105p2[Rn] 7s2 5f14 6d9(predicted)
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-1, 1, 3, 5]
Electronegativity (Pauling)1.96N/A
Electron affinity1.112 eV1.6 eV
Density7287 kg/m³2.870000e+4 kg/m³
Melting point231.93 °C-273.15 °C
Boiling point2601.85 °C-273.15 °C
Discovery yearN/A1994