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

Question 1 of 11

2. Describe the structure of metals

Question 2 of 11

3. Write ionic half-equations for the reactions at the electrodes in aluminium extraction

Question 3 of 11

4. Suggest a suitable element for the electrode for the electrolysis of water

Question 4 of 11

5. Do ionic substances conduct electricity?

Question 5 of 11

6. Why do covalent compounds (e.g H₂O) not conduct electricity?

Question 6 of 11

7. Are anions positively or negatively charged?

Question 7 of 11

8. Explain why metals are malleable

Question 8 of 11

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

Question 9 of 11

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

Question 10 of 11

11. All the atoms in group 5 have 5 electrons in their outer shell. What charge ions do they form?

Question 11 of 11


 

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