Platinum
Revision as of 14:41, 16 December 2010 by 69.177.115.243
| Platinum | |
|---|---|
| Pt | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 78 |
| Atomic mass: | 195.078 |
| group: | 10 |
| period: | 6 |
| normal phase: | Solid |
| series: | Transition Metals |
| density: | 21.45 g/cm3 |
| melting point: | 2041.4K, 1768.3°C, 3214.9°F |
| boiling point: | 4098K, 3825°C, 6917°F |
| Rh ← Pd → Ag | |
| Ir ← Pt → Au | |
| Mt ← Ds → Rg | |
| Atomic radius (pm): | 135 |
| Bohr radius (pm): | 177 |
| Covalent radius (pm): | 128 |
| Van der Waals radius (pm): | 175 |
| ionic radius (pm): | (+4) 63 |
| 1st ion potential (eV): | 9.0 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d9 6s1 | |
| Electrons Per Shell | |
| 2, 8, 18, 32, 17, 1 | |
| Electronegativity: | 2.4 |
| Electron Affinity: | 2.13 |
| Oxidation states: | 2, 4 |
| Magnetism: | Paramagnetic |
| Crystal structure: | Face centered cubic |
Platinum is a Transition Metal in group 10.
It has a Face centered cubic crystalline structure.
This element has 5 stable isotopes: 192, 194, 195, 196, and 198.
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