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

Question 1 of 11

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

Question 2 of 11

3. What are positive ions called?

Question 3 of 11

4. Do ionic substances conduct electricity?

Question 4 of 11

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

Question 5 of 11

6. Describe the structure of metals

Question 6 of 11

7. During the electrolysis of water, oxygen gas is given off. The formation of this gas can be represented by the ionic equation: ....OH⁻ → ....H₂O + ....O₂ + ....e⁻

Question 7 of 11

8. How many electrons in an aluminum ion?

Question 8 of 11

9.

State whether covalent substances conduct electricity, and explain why

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. Why do ionic compounds conduct electricity only when molten or in solution?

Question 11 of 11


 

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