1. 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 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. What is the formula for iron (II) oxide

Question 3 of 22

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

Question 4 of 22

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

Question 5 of 22

6. What is the formula for sodium nitrate?

Question 6 of 22

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

Question 7 of 22

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

Question 8 of 22

9. How many electrons can the second shell hold?

Question 9 of 22

10. State the electron configuration of the magnesium ion

Question 10 of 22

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

Question 11 of 22

12. How many electrons in a silicon ion?

Question 12 of 22

13. When are ions attracted to each other?

Question 13 of 22

14. Explain, in terms of structure and bonding, why magnesium oxide has a higher melting point than sodium chloride

Question 14 of 22

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

Question 15 of 22

16. What are the elements in group 0 called?

Question 16 of 22

17. Write the electronic configuration of potassium

Question 17 of 22

18. How can atoms get a full outer shell?

Question 18 of 22

19. State the formula for the copper (II) ion

Question 19 of 22

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

Question 20 of 22

21. Explain the term ionic bond

Question 21 of 22

22. 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 22 of 22