Element 77
Iridium (Ir)
77
Ir
iridium
Metal · d block · group 9, period 6
- Electron configuration
- Unpaired electrons
- 3 (paramagnetic)
- Molar mass
- 192.22 g/mol
- Electronegativity
- 2.2
- Atomic radius
- 136 pm
- First ionization energy
- 880 kJ/mol
- Next ionization energies
- 1,600
- Electron affinity
- 151 kJ/mol released
Practice
Practice iridium
No course questions are about iridium specifically, but these lessons cover what you need.