ca: ÒXID DE COURE
es: ÓXIDO DE COBRE
Copper oxide or cuprous oxide is the inorganic compound with the formula Cu2O. It is one of the principal oxides of copper. This red-colored solid compound is a component of some antifouling paints. This oxide can appear either yellow or red, depending on the size of the particles and degrades in moist air, losing its shine.
Copper oxide, Cu2O, a red powder.
Copper oxide, CuO, a black powder.