Copper oxide

Copper oxide is any of several binary compounds composed of the elements copper and oxygen. Two oxides are well known, Cu₂O and CuO, corresponding to the minerals cuprite and tenorite, respectively. Paramelaconite () is less well characterized.

Copper oxide may refer to:

• Copper(I) oxide (cuprous oxide, )
• Copper(II) oxide (cupric oxide, CuO)
• Copper peroxide (), a hypothetical compound
• Paramelaconite (copper(I,II) oxide, )
• Copper(III) oxide () does not exist although Cu(III) is a component of cuprate superconductors
• Copper(IV) oxide () has been proposed to exist in the gas phase

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