The chemical formula of red copper when heated?

Word reaction: Copper + oxygen → copper oxide (write heat on the arrow)

Symbol expression: Cu+O₂→CuO (arrow above write heating two words)

Chemical equation: 2Cu+O₂= heating =2CuO

Divalent copper salts, the most common copper compound, are often blue in their hydration ions and green in their chlorine ligands. They are the source of colour for minerals such as azurite and turquoise and have historically been widely used as pigments. The corrosion of copper building structures produces verdigris (basic copper carbonate). Decorative art mainly uses copper and copper-containing pigments.

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