Copper oxide is any of several

binary compound In materials chemistry, a binary phase or binary compound is a chemical compound containing two different elements. Some binary phase compounds are molecular, e.g. carbon tetrachloride (CCl4). More typically binary phase refers to extended soli ...

s composed of the elements

copper Copper is a chemical element; it has symbol Cu (from Latin ) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orang ...

and

oxygen Oxygen is a chemical element; it has chemical symbol, symbol O and atomic number 8. It is a member of the chalcogen group (periodic table), group in the periodic table, a highly reactivity (chemistry), reactive nonmetal (chemistry), non ...

. 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 Copper(I) oxide or cuprous oxide is the inorganic compound with the formula . It is one of the principal oxides of copper, the other being copper(II) oxide or cupric oxide (CuO). The compound can appear either yellow or red, depending on the size ...

(cuprous oxide, ) *

Copper(II) oxide Copper(II) oxide or cupric oxide is an inorganic compound with the formula CuO. A black solid, it is one of the two stable oxides of copper, the other being Cu2O or copper(I) oxide (cuprous oxide). As a mineral, it is known as tenorite, or so ...

(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 superconductor Cuprate superconductors are a family of High-temperature superconductivity, high-temperature superconducting materials made of layers of copper oxides () alternating with layers of other metal oxides, which act as charge reservoirs. At ambient p ...

s * Copper(IV) oxide () has been proposed to exist in the gas phase

References

{{Authority control Copper compounds