Osmium (Os) is a chemical element belonging to the category Transition metal, with atomic number 76 and atomic mass 190.2300 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Identity
- Name: Osmium
- Symbol: Os
- Atomic number: 76
- Atomic mass: 190.2300 u
Position in the periodic table
- Group: 8
- Period: 6
- Category: Transition metal
Physico-chemical properties
- Standard state: Solid
- Melting point: Very high (around 3033°C)
- Density: Extremely high (about 22.6 g/cm³ at room temperature)
- Electron configuration: [Xe] 4f¹⁴ 5d⁶ 6s²
Scientific description
Osmium is a chemical element with symbol Os and atomic number 76. It belongs to the category of transition metals and occupies group 8 and period 6. Its standard atomic mass is 190.2300 u.