| Property | Value |
|---|---|
| Atoomnummer | 77 |
| Atoomgewicht | 192.2173 amu |
| Element family | Overgangsmetalen |
| Elektronische configuratie | 1s2 |
| Stable and very long lived isotopes | 191Ir: 37.3%, 193Ir: 62.7% |
| Previous element | Osmium |
| Next element | Platina |
| Dichtheid | 22.65 g/cm3 (STP) |
| Smelten | 2443 °C |
| Kookpunt | 4130 °C |
| Covalente straal | 1.22 Å |
| Ionstraal | 0.625 Å |
| Metalic radius | 1.355 Å |
| Eerst ionisatiepotentiaal | 9.120 eV |
| Elektronenaffiniteit | 1.564 eV |
| Electronegativity | 2.2 |
| Discovery year | 1803 |
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