Compare Element Properties
| Property | Ir Iridium | ? N/A |
|---|---|---|
| Atomic number | 77 | N/A |
| Symbol | Ir | N/A |
| Name | Iridium | N/A |
| Category | transition-metal | N/A |
| Standard Atomic Weight | 192.217 u | N/A |
| Period | 6 | N/A |
| Group | 9 | N/A |
| Block | s | N/A |
| Phase at STP | solid | N/A |
| Electron configuration | [Xe]6s24f145d7 | N/A |
| Oxidation states | [-3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9] | N/A |
| Electronegativity (Pauling) | 2.2 | N/A |
| Electron affinity | 1.565 eV | N/A |
| Density | 2.256220e+4 kg/m³ | N/A |
| Melting point | 2445.85 °C | N/A |
| Boiling point | 4427.85 °C | N/A |
| Discovery year | 1803 | N/A |