Chromium oxide may refer to: * Chromium(II) oxide, CrO *

Chromium(III) oxide Chromium(III) oxide (or chromia) is an inorganic compound with the formula . It is one of the principal oxides of chromium and is used as a pigment. In nature, it occurs as the rare mineral eskolaite. Structure and properties has the corundum ...

, Cr₂O₃ *

Chromium dioxide Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO2. It is a black synthetic magnetic solid. It once was widely used in magnetic tape emulsion. With the increasing popularity of CDs and DVDs, the use of chrom ...

(chromium(IV) oxide), CrO₂, which includes the hypothetical compound chromium(II) chromate *

Chromium trioxide Chromium trioxide (also known as chromium(VI) oxide or chromic anhydride) is an inorganic compound with the formula CrO3. It is the acidic anhydride of chromic acid, and is sometimes marketed under the same name. This compound is a dark-purple ...

(chromium(VI) oxide), CrO₃ *

Chromium(VI) oxide peroxide Chromium(VI) peroxide or chromium oxide peroxide is an unstable compound with the formula CrO5. This compound contains one oxo ligand and two peroxo ligands, making a total of five oxygen atoms per chromium atom. Preparation and properties Chromi ...

, CrO₅ * Mixed valence species, such as Cr₈ O₂₁

See also