Element Iridium

The chemical element Iridium is number 77 in the Periodic Table of elements. The chemical symbol for the element Iridium is Ir. The video below explains the chemical properties, history, discovery, and facts about the chemical element Iridium.

Element Iridium

Chemical properties of the element Iridium

The chemical element Iridium is hard, brittle, silver white, metallic element. The relative atomic mass of Iridium is 192.2. The element Iridium is resistant to tarnish and corrosion. The element Iridium is part of the Platinum Group of metals.

Uses of the element Iridium

Iridium has many uses. The element Iridium forms an alloy with platinum and is used for jewelry as well as watch bearing in scientific instruments.

Who discovered Iridium?

Iridium was discovered and named after the English chemist Smithson Tennant for the irridescense of its salts in solution in 1804.