1. INVESTIGATION V: BUILDING WITH MATTER Hot Seat

2. To conduct or not to conduct? That is the question. NaCl(s)

3. To conduct or not to conduct? That is the question. H 2 O(l)

4. To conduct or not to conduct? That is the question. Al(s)

5. To conduct or not to conduct? That is the question. C 12 H 22 O 11 (s)

6. To conduct or not to conduct? That is the question. NaCl(aq)

7. To conduct or not to conduct? That is the question. SiO 2 (s)

8. To conduct or not to conduct? That is the question. C 20 H 42 (s)

9. To conduct or not to conduct? That is the question. C 2 H 6 O(l)

10. To conduct or not to conduct? That is the question. Cu(s)

11. To conduct or not to conduct? That is the question. CaCl 2 (aq)

12. To conduct or not to conduct? That is the question. CuSO 4 (s)

13. To conduct or not to conduct? That is the question. MgSO 4 (aq)

14. Which of the following will conduct electricity? (You may choose more than one) A. Solid metals B. Metal-nonmetal compounds in a solid state C. Metal-nonmetal compounds dissolved in water D. Non-metal compounds in a solid state E. Non-metal compounds dissolved in water

15. What is an attraction between atoms that holds them together in space? A bond

16. Made of metal and non-metal atoms

17. A gas made of nonmetal atoms

18. Made entirely of metal atoms

19. Very hard solids made entirely of nonmetal atoms

20. Tend to be liquids, gases, or softer solids

21. Brittle solids

22. Bendable solids

24. Softer solids that do not conduct electricity

25. Conducts electricity when dissolved but not when solid

26. CH 4 (g) Methane

28. Si(s) silicon (computer chips)

29. NaOH(aq) Sodium Hydroxide

31. Li(s) Lithium

32. SiO 2 (s) Silicon dioxide (sand)

33. 14K gold earrings

35. What is an atom with a positive or negative charge called? Ion

36. Group 1 atoms will always (gain / lose) ___ electrons. Lose 1

37. Group 7 atoms will always (gain / lose) ___ electrons. Gain 1

38. Group 5 atoms will always (gain / lose) ___ electrons. Gain 3

39. Group 2 ions will always have a charge of ___ +2

40. Group 17 ions will always have a charge of ___

41. The noble gases are located in group _____ (You may choose more than one answer) A. 8 B. 8A C. 18 D. VIIIA

42. Group VIA ions will always have a charge of ___ -2

43. ATOMS WITH A POSITIVE CHARGE ARE CALLED __________ WHILE ATOMS WITH A NEGATIVE CHARGE ARE CALLED __________ Spelling counts!

44. Noble gases are stable because they… Have a filled valence (outermost) shell

45. What is the cation in potassium bromide? Anion in potassium bromide? Cation K+1 Anion Br-1

46. What is the cation in magnesium fluoride? Anion in magnesium fluoride? Cation Mg+2 Anion F-1

47. What is the chemical formula for magnesium fluoride? MgF 2

48. What is the name of this compound? NaF Sodium Fluoride

49. How many valence electrons are in the compound, K 2 Se 8