Rhodium
Rhodium is a chemical element with the symbol Rh and atomic number 45. A rare silvery-white hard transition metal and a member of the platinum group, rhodium is found in platinum ores and is used in alloys with platinum and as a catalyst. It is usually the most expensive precious metal, though it is sometimes surpassed by rhenium, depending on the market.
| General | |
|---|---|
| Atomic number: | 45 |
| Symbol: | Rh |
| Atomic weight: | 102.905 |
| Boiling Point (C): | 4500 |
| Melting Point (C): | 1966 |
| Density: | 12.4 |
| heatVapor: | 127 |
| heatFusion: | 5.2 |
| Electrical Conductivity: | .22 |
| Thermal Conductivity: | .21 |
| Specific Heat Capacity: | 0.059 |
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