Iridium: electronic configuration and properties
Iridium has atomic number 77 and electronic configuration [Xe] 4f14 5d7 6s2. Explore its periodic behaviour and open the interactive atom model.
Open Iridium in 3DKey properties of Iridium
- Symbol
- Ir
- Atomic number
- 77
- Atomic mass
- 192.217(3)
- Family
- transition metal
- Electronic configuration
- [Xe] 4f14 5d7 6s2
- Shell distribution
- 2, 8, 18, 32, 15, 2
- Oxidation states
- -3, -1, 1, 2, 3, 4, 5, 6
- Standard state
- solid
Periodic behaviour
Atomic radius: 137 pm. Electronegativity: 2.2. First ionisation energy: 880 kJ/mol. Use these values comparatively across a period or group rather than memorising them in isolation.
NEET exam focus
For NEET, prioritise the NCERT electronic configuration, periodic position, common oxidation states, and direct trend-based comparisons involving Iridium.
Related transition metal elements
Frequently asked questions
What is the electronic configuration of Iridium?
Iridium has electronic configuration [Xe] 4f14 5d7 6s2, with shell distribution 2, 8, 18, 32, 15, 2.
What are the oxidation states of Iridium?
The listed oxidation states are -3, -1, 1, 2, 3, 4, 5, 6.
How can I view the Iridium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.