Because copper is considered an element, and because elements do not include other elements, copper only contains copper.
(Cu4O2) contain two elements: copper and oxygen.
Copper sulfate (CuSO4) contain 3 chemical elements.
Many alloys contain two elements, for example Brass is copper + zinc, Bronze is copper + tin.
There may be many that contain copper and oxygen in addition to other elements. The two that contain only copper and oxygen are copper (I) oxide and copper (II) oxide.
Copper oxides contain copper ond oxygen.
Elements. Copper and Zinc to be specific.
Three. Copper, Iron, and Zinc.
copper, oxygen and hydrogen
i herd some pennies contain zinc
No - copper and iron are two separate elements. One does not contain any of the other.
becuse its a good conducter of electricity
It is called a compound because it is composed of more than one single element. Copper oxide is compose of the two elements copper and oxygen.Because it is composed of two elements, copper and oxygen.