Platinum
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| Platinum | |
|---|---|
| Properties | |
| Atomic symbol | Pt |
| Atomic number | 78 |
| Atomic mass | 194.085 |
| Other Information | |
Platinum is an extremely unreactive (it is found in its native state) chemical element. It is a catalyst for several reactions (such as the hydrogen half-cell), and is used in catalytic converters and in the synthesis of nitric acid.