Osmium has an atomic number of 76, meaning each atom contains 76 protons in its nucleus.
The standard atomic weight of osmium is 190.23 u (unified atomic mass units).
Osmium is classified as a transition metal.
Osmium is a solid at 20 Β°C (68 Β°F).
The melting point of osmium is 3032.85 Β°C / 3306 K.
The boiling point of osmium is 5011.85 Β°C / 5285 K.
The density of osmium is 22.59 g/cmΒ³ (20Β°C).
Osmium has a Pauling electronegativity of 2.2.
The electron configuration of osmium is [Xe] 4f14 5d6 6s2.
Osmium commonly exhibits the following oxidation states: +2, +3, +4, +6, +8.
Osmium was discovered in 1803 by Smithson Tennant.
Osmium is a stable element with no naturally occurring radioactive isotopes.
No biological role.
Osmium is used for: Electrical contacts; Fountain pen tips; Catalysts.