Atomic number 77Ir
Iridium
ইরিডিয়াম
- Transition metal
- Group 9
- Period 6
- Atomic mass 192.220 u
- Solid
- Electrons per shell
- 2, 8, 18, 32, 15, 2
- Electron configuration
- [Xe] 4f14 5d7 6s2
- Nucleus
- 77 protons, 116 neutrons
Speed1×
- Group
- 9
- Period
- 6
- Block
- d-block
- Category
- Transition metal
- State at 25 °C
- Solid