Atomic Number: 77

Name: Iridium

Atomic symbol: Ir

Atomic Weight: 192.22

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶4f¹⁴5d⁷6s²

Ionization energies: 880 kJ/mol

Pauling electronegativity: 2.2

Melting Point: 2410^oC

Boiling Point: 4130^oC

Ionic radius: 0.68 angstroms (+4)