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 s ...

, 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 increase in popularity of CDs and DVDs and more recentl ...

(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 . It is the acidic anhydride of chromic acid, and is sometimes marketed under the same name. This compound is a dark-purple solid ...

(chromium(VI) oxide), CrO₃ * Chromium(VI) oxide peroxide, CrO₅ * Mixed valence species, such as Cr₈ O₂₁

See also