Tin vs Osmium

PropertySn TinOs Osmium
Atomic number5076
SymbolSnOs
NameTinOsmium
Categorypost-transition-metaltransition-metal
Standard Atomic Weight118.71 u190.23 u
Period56
Group148
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p2[Xe]6s24f145d6
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)1.962.2
Electron affinity1.112 eV1.1 eV
Density7287 kg/m³2.258720e+4 kg/m³
Melting point231.93 °C3032.85 °C
Boiling point2601.85 °C5011.85 °C
Discovery yearN/A1803