Osmium
| Os |
Osmium |
Transition Metal |
| Atomic number: |
76 |
|
Atomic weight: |
190.23 |
|
| Shells: |
2,8,18,32,14,2 |
|
Orbitals: |
[Xe] 4f14 5d6 6s2 |
|
| Melting point: |
3054°C |
|
Boiling point: |
5027°C |
|
| Covalent radius: |
1.26 |
Å |
Atomic volume: |
8.49 |
cm³/mol |
| Atomic radius: |
1.92 |
Å |
Ionic radius: |
.63 (+4) |
Å |
| Electronegativity: |
2.2 |
|
Oxidation states: |
2,3,(4),6,8 |
|
| 1st ionization pot.: |
8.7 |
V |
2nd ionization pot.: |
-- |
V |
| 3rd ionization pot.: |
-- |
V |
Specific heat: |
0.13 |
J/gK |
| Heat of fusion: |
31.80 |
kJ/mol |
Heat of vapor.: |
746.0 |
kJ/mol |
| Thermal conduct.: |
0.876 |
W/cmK |
Electrical conduct.: |
0.109 |
10^6/cm ohm |
| Density: |
22.40 |
g/cm³ |
Valence: |
0,3,4,6,8 |
|
]
