Osmium
Transition metal| Atomic number | 76 |
|---|---|
| Category | Transition metal |
| Atomic mass | 190.23 |
| Electron configuration | [Xe]4f¹⁴ 5d⁶ 6s² |
| Oxidation states | +4, +8 |
| Electronegativity | 2.2 |
| Melting point | 3,033 °C |
| Boiling point | 5,012 °C |
| Density | 22.59 g/cm³ |
| Crystal structure | Close-packed hexagonal |
| Group | 8 |
| Period | 6 |
| Block | d |
| Discovered | 1,803 |
| Crustal abundance | 0 ppm |