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Cu(ALO2)2

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Cu(ALO2)2

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Copper(II) oxide:

CuO

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No, its a compound which is 2 or more elements combined. Copper oxide is copper + oxygen which are 2 separate substances.

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Since there are two valence states for copper, Cu+ and Cu2+, there are two compounds formed from copper and oxygen:

  • Copper (I) Oxide = Cu2O (equation: 4Cu + O2 --> 2Cu2O)
  • Copper (II) Oxide = CuO (equation: 2Cu + O2 --> 2CuO)
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Copper(II) oxide or cupric oxide or black copper oxide has 2 atoms per molecule: 1 copper atom and 1 oxygen atom.

Copper(I) oxide or cuprous oxide or red copper oxide has 3 atoms per molecule: 2 copper atoms and 1 oxygen atom.

These are the only stable oxides of copper.

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