Cooper get oxidised to copper oxide when burned in air.
copper oxide
Is it Solid?
sodium
Copper is a chemical element. It can be a compound but copper is usually known as a chemical element.
Copper Carbonate.
It's a compound as the copper and oxygen are chemically bound to each other.
copper sulfide
A compound formed by the reaction of copper and sulfur
This compound is the iron(III) oxide, Fe2O3.
carbon dioxide
Is it Solid?
sodium
Magnesium oxide?
This compound is the copper(II) oxide, CuO.
Copper Oxide
the element was copper and the new black compound formed was copper oxide.
Copper sulfate crystals are a compound, not an element. The compound is formed by combining copper, sulfur, and oxygen atoms.
Water (H2O) is formed when hydrogen is burned by oxygen