Overview

Chromium is a lustrous, hard metal known for forming corrosion resistant alloys and colorful compounds such as chromiumIII and chromiumVI species.

Properties

It has high melting point, forms a protective oxide layer and displays multiple oxidation states with distinct chemical behavior.

Occurrence and Uses

Chromium is used in stainless steel, electroplating, pigments and refractory materials and is mined from chromite ores.

Isotopes and Safety

Stable isotope Cr 52 is common; hexavalent chromium compounds are carcinogenic and require strict industrial hygiene and regulatory controls.