A precious, silver-white metal, iridium is hard and brittle, but it becomes ductile and can be worked at a white heat, from 1,200° to 1,500° C (2,200° to 2,700° F). It is one of the densest terrestrial substances. In the massive state the metal is practically insoluble in acids and is not attacked even by aqua regia.
Apr 11, 2024
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Iridium is a chemical element; it has symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, ...
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Iridium is a hard, silvery metal. It is almost as unreactive as gold. It has a very high density and melting point.
Iridium is a chemical element with symbol Ir and atomic number 77. Classified as a transition metal, Iridium is a solid at room temperature.
Iridium is a rare and expensive corrosion-resistant metal. Discover why iridium is used in the manufacture of aircraft, spark plugs, and tech devices.