Osmium — Os
The chemical element Osmium is an element of type Transition metal with the symbol Os. It has an atomic mass of 190.23 u and an electronic configuration of [Xe] 4f14 5d6 6s2.
Synthétique
Radioactif
Liquide
Gaz
5027°
-1
1
2
3
4
5
6
7
8
8
18
32
14
2
- Atomic number
- 76
- Atomic mass
- 190.23
- Symbol
- Os
- Melting point
- 3045
- Boiling point
- 5027
- Density
- 22.61
- Period
- 6
- Group
- 8
- Discovery
- 1803 Tennant
- Abundance
- 0.002
- Radius
- 1.9
- Electronegativity
- 2.2
- Ionization
- 8.4382
- Isotope
- 19
- Electronic configuration
- [Xe] 4f14 5d6 6s2
- Oxidation state
- -2,-1,1,2,3,4,5,6,7,8
- Electron
- 2,8,18,32,14,2
Minerals containing Osmium
| first name | Hardness | Density | Chemical formula |
|---|---|---|---|
| Anduoite | — | 8.00 | RuAs2 |
| Erlichmanite | — | 9.59 | OsS2 |
| Hexaferrum | — | 10.69 | (Fe,Os,Ru,Ir) |
| Hexamolybdenum | — | 11.90 | (Mo,Ru,Fe,Ir,Os) |
| Iridium | — | 22.60 | Ir |
| Omeiite | — | 11.20 | OsAs2 |
| Osarsite | — | 8.44 | OsAsS |
| Osmium | — | 19.00 | Os |
| Rutheniridosmine | — | 21.00 | (Ir,Os,Ru) |
| Ruthenium | — | 12.20 | Ru |