Osmium
| Osmium | |
|---|---|
| Os | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 76 |
| Atomic mass: | 190.23 |
| group: | 8 |
| period: | 6 |
| normal phase: | Solid |
| series: | Transition Metals |
| density: | 22.61 g/cm3 |
| melting point: | 3306K, 3033°C, 5491°F |
| boiling point: | 5285K, 5012°C, 9054°F |
| Tc ← Ru → Rh | |
| Re ← Os → Ir | |
| Bh ← Hs → Mt | |
| Atomic radius (pm): | 130 |
| Bohr radius (pm): | 185 |
| Covalent radius (pm): | 128 |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+4) 63 |
| 1st ion potential (eV): | 8.7 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d6 6s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 32, 14, 2 | |
| Electronegativity: | 2.2 |
| Electron Affinity: | 1.1 |
| Oxidation states: | 2, 3, 4, 6, 8 |
| Magnetism: | ? |
| Crystal structure: | Hexagonal |
Osmium is a Transition Metal in group 8.
It has a Hexagonal crystalline structure.
This element has 7 stable isotopes: 184, 186, 187, 188, 189, 190, and 192.
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