Chromium

Chromium is a chemical symbol Cr and atomic 24. It is the first 6. It is a steely-grey, lustrous, hard and brittle transition metal. Chromium is the main additive in stainless steel, to which it adds anti-corrosive properties. Chromium is also highly valued as a metal that is able to be highly polished while resisting tarnishing. Polished chromium reflects almost 70% of the visible spectrum, with almost 90% of infrared light being reflected. The name of the d from the Greek word χρῶμα, chrōma, meaning color, because many chromium compounds are intensely colored.