1. What is the formula for zinc sulfate?

Question 1 of 22

2. Explain, in terms of structure and bonding, why sodium chloride has a very high melting point

Question 2 of 22

3. 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 3 of 22

4. State the formula for the lead (II) ion

Question 4 of 22

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

Question 5 of 22

6. What is the formula for copper (II) fluoride

Question 6 of 22

7. How many electrons in a hydrogen ion?

Question 7 of 22

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

Question 8 of 22

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

Question 9 of 22

10. How many electrons in a calcium atom?

Question 10 of 22

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

Question 11 of 22

12. What are the elements in group 0 called?

Question 12 of 22

13. What is the formula of the fluoride ion?

Question 13 of 22

14. Explain the term ionic bond

Question 14 of 22

15. 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 15 of 22

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

Question 16 of 22

17. Write the electronic configuration of potassium

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. State the formula for the iron (III) ion

Question 19 of 22

20. State the fomula for the two ions in iron (II) sulfide

Question 20 of 22

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

Question 21 of 22

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

Question 22 of 22