1. What is the formula for aluminium chloride?

Question 1 of 22

2. What is the formula of the sulfide ion?

Question 2 of 22

3. When are ions attracted to each other?

Question 3 of 22

4. Why do elements in the same group of the periodic table have similar chemical properties?

Question 4 of 22

5. On the Periodic table what is the meaning of the word Group? What does that tell us about the electron configuration of the atom?

Question 5 of 22

6. Explain, in terms of electrons, why isotopes have the same chemical properties

Question 6 of 22

7. How many electrons can the first, second and third shells hold?

Question 7 of 22

8. What is needed to complete this diagram to show the ionic bonding in potassium oxide, K₂O ?

Question 8 of 22

9. How many electrons in a chloride ion?

Question 9 of 22

10. Write the electronic configuration of argon

Question 10 of 22

11. Describe the structure of an ionic compound, e.g NaCl

Question 11 of 22

12. What holds ions together?

Question 12 of 22

13. What is special about the elements in group 0?

Question 13 of 22

14. What is the formula for potassium sulfide?

Question 14 of 22

15. If copper chloride has the formula CuCl₂, what is the formula of the copper ion?

Question 15 of 22

16. State the formula of the hydrogen ion

Question 16 of 22

17. Explain why magnesium oxide has a higher melting point than sodium chloride.

Question 17 of 22

18. What is needed to complete this diagram to show the ionic bonding in magnesium chloride, MgCl₂ ?

Question 18 of 22

19. On the Periodic Table what is the meaning of the word Period? What does that tell us about the electron configuration of the atom?

Question 19 of 22

20. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)

Question 20 of 22

21. What do each of the following state symbols represent: (s), (l), (g), (aq)

Question 21 of 22

22. Which group of atoms has a full outer shell?

Question 22 of 22