1. All the atoms in group 6 have 6 electrons in their outer shell. What charge ions do they form?

Question 1 of 22

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

Question 2 of 22

3. 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 3 of 22

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

Question 4 of 22

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

Question 5 of 22

6.

Explain, in terms of the arrangement of electrons in its atoms, why neon is very unreactive

Question 6 of 22

7. State the formula of the hydrogen ion

Question 7 of 22

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

Question 8 of 22

9. How many electrons in the outer shell of group 7 elements?

Question 9 of 22

10. What is the formula of the beryllium ion?

Question 10 of 22

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

Question 11 of 22

12. What is the formula for magnesium iodide?

Question 12 of 22

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

Question 13 of 22

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

Question 14 of 22

15. Why do ionic substance have high melting and boiling points?

Question 15 of 22

16. What is the formula for iron (III) bromide?

Question 16 of 22

17. What holds ions together?

Question 17 of 22

18. 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 18 of 22

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

Question 19 of 22

20. How many electron shells do the elements in the third period have?

Question 20 of 22

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

Question 21 of 22

22. Explain the term ionic bond

Question 22 of 22