1. WHACK-A-MOLE 1 2 3 8 5 6 7 12 9 1011 16 13 141520 1718 19 4

2. 1 Which metal is the most abundant in earth’s crust?

3. 2 A lack of _______ can cause the thyroid gland to enlarge.

4. 3 Graphite and diamond are _________ of carbon.

5. 4 Which metal is the lightest? a. magnesium b. aluminum c. lithium d. boron

6. 5 The majority of actinide elements are known as _________. a. lanthanide elements b. coinage metals c. transuranium elements d. halogen elements

7. 6 Which is a property of substances that exhibit metallic bonding? a.high boiling points b.rigid and brittle c.low melting points d.poor conductors of electricity

8. 7 A compound has the formula X3Y. For every 15 X atoms present in this compound, how many Y atoms are there?

9. 8 Group 3A elements tend to acquire what charge when they form ions?

10. 9 What is the charge that results when oxygen becomes an ion?

11. 10 In which group does Element X likely belong? a. 1A b.8A c.7A d.4B ElementBlockCharacteristic Xssoft solid; reacts readily with oxygen Ypgas at room temperature; forms salts Z -inert gas

12. 11 Element Y is probably _________. a.an alkali metal b.an alkaline earth metal c.a halogen d.a transition metal ElementBlockCharacteristic Xssoft solid; reacts readily with oxygen Ypgas at room temperature; forms salts Z -inert gas

13. 12 Which of the following groups is composed entirely of nonmetals? a.1A b.3A c.5A d.7A

14. 13 Is an atom in group 3A more likely to gain electrons or lose electrons? Explain how you can tell.

15. 14 Name an actinide element and at least 1 of its uses.

16. 15 Name 2 elements in group 7A and list at least one use for each.

17. 16 Name 2 alkali metals and at least 1 use for each.

18. 17 What will be the charge on an ion if it belongs to group 1A?

19. 18 What will be the charge on an ion if it belongs to group 7A?

20. 19 Give 3 examples of salts.

21. 20 Which alkali metal is radioactive?

22. Answer Key: 1. aluminum 2. iodine 3. allotropes 4. c 5. c 6. a 7. 5 8. +3 9. -2 10. b 11. b 12. Na+ 13. lose 3 electrons; easier to lose 3 than gain 5 to form an octet 14. U - atomic weapons 15. Cl - disinfectant; I - healthy thyroid 16. Na - salt; Li - batteries 17. +1 18. -1 19. 5 20. +5