A polished iridium pellet sitting completely untouched in fuming aqua regia

A polished iridium pellet sitting completely untouched in fuming aqua regia

A short silent video about Iridium (Ir), element 77, transition metal. Iridium is the most corrosion-resistant metal and the second densest element. A layer of iridium in rock marks the asteroid that killed the dinosaurs.

More Iridium videos

  • A polished iridium pellet sitting completely untouched in fuming aqua regia (this video)

Explore Iridium: facts, properties and a 3D atom · Back to the periodic table