1. What are negative ions called?

Question 1 of 11

2. In aluminium extraction, what is the ionic half-equation for the reaction at the positive electrode?

Question 2 of 11

3.

State whether covalent substances conduct electricity, and explain why

Question 3 of 11

4. In the electrolysis of molten aluminium oxide, write the name and formula of the particles which move to the negative electrode

Question 4 of 11

5. Why do metals have high melting and boiling points?

Question 5 of 11

6. For what purpose would this equipment be used for in the lab?

Question 6 of 11

7. When can ionic substances conduct electricity?

Question 7 of 11

8. Describe the bonding in a metal

Question 8 of 11

9. Explain whether solid ionic compounds conduct electricity

Question 9 of 11

10. A substance is found not to conduct electricity even when molten. What type of bonding does the substance have?

Question 10 of 11

11. How many electrons in an oxide ion?

Question 11 of 11


 

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