Zinc vs Osmium

PropertyZn ZincOs Osmium
Atomic number3076
SymbolZnOs
NameZincOsmium
Categorytransition-metaltransition-metal
Standard Atomic Weight65.38 u190.23 u
Period46
Group128
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d10[Xe]6s24f145d6
Oxidation states[-2, 0, 1, 2][-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)1.652.2
Electron affinity-0.6 eV1.1 eV
Density7134 kg/m³2.258720e+4 kg/m³
Melting point419.53 °C3032.85 °C
Boiling point906.85 °C5011.85 °C
Discovery year17461803