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Using your knowledge of symbols, determine which compound listed must contain both copper and oxygen. a.glucose, C6H12O6 b.chalcopyrite, CuFeS2 c.malachite, Cu2CO3(OH)2 d.calcite, CaCO3

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MissPhiladelphia
The formula of malachite is \(Cu_2CO_3(OH)_2\). Obviously, C is the only option that both compounds have Cu and O.
organicstars801

Answer:

  • The correct option is Malachite which has both copper nd oxygen.

Explanation:

As we the symbol of copper is Cu while the symbols of oxygen is O. As the chemical formula of malachite is Cu₂CO₃(OH)₂. So it has Cu as well as O.

  • Glucose has only oxygen but no copper
  • Chalcopyrite has copper but no oxygen
  • Calcite has oxygen but no copper.
  • So correct answer is only malachite.

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