Extracting copper from copper oxide is reduction, because oxygen is removed from the metal. The particle picture below shows what happens to the atoms. A C 1. Identify atoms A, B and C and then molecule D. 2. Convert the particle picture into a balanced symbol equation. 3. Which element is oxidised during the reaction? Explain why.

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Extracting copper from copper oxide is reduction, because oxygen is removed from the metal.
The particle picture below shows what happens to the atoms.
+
>
1. Identify atoms A, B and C and then molecule D.
2. Convert the particle picture into a balanced symbol equation.
3. Which element is oxidised during the reaction? Explain why.
4. Which substance is reduced? Explain why.
5. If a piece of copper is heated the atoms on the surface react with oxygen from the air to form
black copper oxide. Draw a particle picture for this reaction, and write a balanced symbol
equation.
Transcribed Image Text:Extracting copper from copper oxide is reduction, because oxygen is removed from the metal. The particle picture below shows what happens to the atoms. + > 1. Identify atoms A, B and C and then molecule D. 2. Convert the particle picture into a balanced symbol equation. 3. Which element is oxidised during the reaction? Explain why. 4. Which substance is reduced? Explain why. 5. If a piece of copper is heated the atoms on the surface react with oxygen from the air to form black copper oxide. Draw a particle picture for this reaction, and write a balanced symbol equation.
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