| name | Iridium |
| latin | Iridium |
| french | Iridium |
| german | Iridium |
| symbol | Ir |
| proton number | 77 |
| atomic weight | 192.217 |
| Pauling electronegativity | 2.2 |
| electronic configuration | [Xe] 4f145d76s2 1s22s22p63s23p63d104s24p64d105s25p64f145d76s2 |
| melting point | 2739 K, 2466°C, 4471°F |
| boiling point | 4701 K, 4428°C, 8002°F |
| group | 9 |
| period | 6 |
| state (by 20°C) | solid |
| oxidation states | +2, +3, +4, +6 |
| Year of discovery | Discoverer |
| 1804 | Smithson Tennant (1761-1815) |