Iridium
Iridium is a chemical element with symbol Ir and atomic number Ir in period 6. It appears as a silvery white. It is a Solid
Chemical properties
[edit]Iridium has an atomic mass of 192.2173, a boiling point of 4403, a density of 22.56, a melting point of 2719, a molar heat of 25.1, an electron configuration of 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d7 6s2, and an electron affinity of 150.94.