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Ir
Iridium
#77 · Transition Metal
| Mass | 192.22 u |
| Density | 22.56 g/cm³ |
| Melting | 2719.0 K |
| Boiling | 4701.0 K |
| Electronegativity | 2.2 |
| Ionization Energy | 880.0 kJ/mol |
| Atomic Radius | 136.0 pm |
| Block | d-block |
| State (RT) | Solid |
| Config | [Xe] 4f14 5d7 6s2 |