Oxidation Number of Iridium

Iridium is a chemical element and the second densest element after osmium. The symbol of Iridium is Ir and the atomic number is 77. A silvery white transition metal of the platinum group. Both Iridium and osmium were discovered at the same time in 1803 by the British chemist Smithson Tennant. It forms compounds in oxidation states between −3 and +9. The most Common Oxidation State is +4.

Iridium is a chemical element and the second densest element after osmium. The symbol of Iridium is Ir and the atomic number is 77. A silvery white transition metal of the platinum group. Both Iridium and osmium were discovered at the same time in 1803 by the British chemist Smithson Tennant. It forms compounds in oxidation states between −3 and +9. The most Common Oxidation State is +4.


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