Ir77 – Iridium
- Atomic Number: 77
- Atomic Symbol: Ir
- Atomic Name: Iridium
- Atomic Mass: 192.22
- CPK Hex Color: 175487
- Electron Configuration: [Xe]6s2 4f14 5d7
- Electron Negativity: 2.2
- Atomic Radius: 202
- Ionization Energy: 9.1
- Electron Affinity: 1.565
- Oxidation States: +4, +3
- Standard State: Solid
- Melting Point: 2719
- Boiling Point: 4701
- Density: 22.42
- Group Block: Transition metal
- Year Discovered: 1803
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