Ir77 – Iridium
- Atomic Number77
- Atomic SymbolIr
- Atomic NameIridium
- Atomic Mass192.22
- CPK Hex Color175487
- Electron Configuration[Xe]6s2 4f14 5d7
- Electron Negativity2.2
- Atomic Radius202
- Ionization Energy9.1
- Electron Affinity1.565
- Oxidation States+4, +3
- Standard StateSolid
- Melting Point2719
- Boiling Point4701
- Density22.42
- Group BlockTransition metal
- Year Discovered1803
Periodic Table of Elements. (2022, December 23). In PubChem and the National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/periodic-table/#view=table