Back Koper(I)oksied Afrikaans أكسيد النحاس الأحادي Arabic اوکسید پاخیر (I) AZB Òxid de coure(I) Catalan Oxid měďný Czech Kobber(I)oxid Danish Kupfer(I)-oxid German Copper(I) oxide English Óxido de cobre(I) Spanish اکسید مس (I) Persian
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Copper(I) oxide, also known as cuprous oxide, is a chemical compound. Its chemical formula is Cu2O. It contains copper in its +1 oxidation state. It also contains oxide ions.