Difference between revisions of "Cobalt"
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Latest revision as of 21:24, 30 October 2011
| Cobalt | |
|---|---|
| Co | |
| In situ availability: | available |
| Necessity: | |
| Atomic number: | 27 |
| Atomic mass: | 58.9332 |
| group: | 9 |
| period: | 4 |
| normal phase: | Solid |
| series: | Transition Metals |
| density: | 8.90 g/cm3 |
| melting point: | 1768K, 1495°C, 2723°F |
| boiling point: | 3200K, 2927°C, 5301°F |
| N/A ← N/A → N/A | |
| Fe ← Co → Ni | |
| Ru ← Rh → Pd | |
| Atomic radius (pm): | 135 |
| Bohr radius (pm): | 152 |
| Covalent radius (pm): | 126 |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+2) 65 |
| 1st ion potential (eV): | 7.88 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d7 4s2 | |
| Electrons Per Shell | |
| 2, 8, 15, 2 | |
| Electronegativity: | 1.88 |
| Electron Affinity: | 0.66 |
| Oxidation states: | 2, 3 |
| Magnetism: | Ferromagnetic |
| Crystal structure: | Hexagonal |
Cobalt is a Transition Metal in group 9.
It has a Hexagonal crystalline structure.
This element has a stable isotope of 59
Lunar Cobalt Production
Cobalt is a minor component of Nickel-Iron meteorites, the pulverized remains of which are scattered over the lunar surface. It could be extracted as a side product during iron and nickel production from iron fines.
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