Element Name: Iridium
Atomic No.: 77
State (298 K): solid
Uses: alloys and spark plugs
Atomic Mass: 192.22 g/mol
Density: 22.42 g/cm
3
B.P.: 4403 K
F.P.: 2683 K
Electronic Configuration: 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
6
4d
10
4f
14
5s
2
5p
6
5d
7
6s
2
Isotopes:
191
Ir 190.9609 amu (37.3%)
193
Ir 192.9633 amu (62.7%)
Electronegativity: 2.20
Radius: 126 pm (covalent)
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