1. Last Night’s Homework: Page 224, problems 19-23 Page 226, problems 29-33 (Use the table on page 224 to find the names of polyatomic ions)

2. Write the correct formula:

3. 19. potassium and iodide Write the correct formula:

4. 19. potassium and iodide K +1 I -1 Write the correct formula:

5. 19. potassium and iodide K +1 I -1 Write the correct formula:

6. 19. potassium and iodide K +1 I -1 Write the correct formula:

7. 19. potassium and iodide KI Write the correct formula:

8. 20. magnesium and chloride Write the correct formula:

9. 20. magnesium and chloride Mg +1 Cl -1 Write the correct formula:

10. 20. magnesium and chloride Mg +2 Cl -1 Write the correct formula:

11. 20. magnesium and chloride Mg +2 Cl -1 Write the correct formula:

12. 20. magnesium and chloride Mg +2 Cl -1 Write the correct formula: 2 1

13. 20. magnesium and chloride MgCl 2 Write the correct formula:

14. 21. aluminum and bromide Write the correct formula:

15. 21. aluminum and bromide Al +3 Br -1 Write the correct formula:

16. 21. aluminum and bromide Al +3 Br -1 Write the correct formula:

17. 21. aluminum and bromide Al +3 Br -1 Write the correct formula:

18. 21. aluminum and bromide Al +3 Br -1 Write the correct formula: 3 1

19. 21. aluminum and bromide AlBr 3 Write the correct formula:

20. 22. cesium and nitride Write the correct formula:

21. 22. cesium and nitride Cs +1 N -3 Write the correct formula:

22. 22. cesium and nitride Cs +1 N -3 Write the correct formula:

23. 22. cesium and nitride Cs +1 N -3 Write the correct formula:

24. 22. cesium and nitride Cs +1 N -3 Write the correct formula: 1 3

25. 22. cesium and nitride Cs 3 N Write the correct formula:

26. 23. barium and sulfide Write the correct formula:

27. 23. barium and sulfide Ba +2 S -2 Write the correct formula:

28. 23. barium and sulfide Ba +2 S -2 Write the correct formula:

29. 23. barium and sulfide Ba +2 S -2 Write the correct formula:

30. 23. barium and sulfide BaS Write the correct formula:

31. 23. barium and sulfide BaS Name the following compounds:

32. 29. NaBr Name the following compounds:

33. 29. NaBr sodium bromide Name the following compounds:

34. 30. CaCl 2 Name the following compounds:

35. 30. CaCl 2 calcium chloride Name the following compounds:

36. 31. KOH Name the following compounds:

37. 31. KOH potassium hydroxide Name the following compounds:

38. 32. Cu(NO 3 ) 2 Name the following compounds:

39. 32. Cu(NO 3 ) 2 copper nitrate Name the following compounds:

40. 33. Ag 2 CrO 4 Name the following compounds:

41. 33. Ag 2 CrO 4 silver chromate Name the following compounds:

42. Daily Quiz

43. You may use the table of common polyatomic ions on page 224. Daily Quiz

44. 1.What is the formula for calcium chloride? a.CaCl b.Ca 2 Cl c.CaCl 2 d.Ca 2 Cl 2 Daily Quiz

45. 2.What is the formula for lithium thiosulfate? a.LiThSO 4 b.Li 2 SO 4 c.Li(SO 4 ) 2 d.Li 2 S 2 O 3 e.Li(S 2 O 3 ) 2 Daily Quiz

46. 3.What is the name of KMnO 4 ? a.potassium permanganate b.potassium manganide c.potassium oxide d.manganate peroxide e.potassium manganese oxide Daily Quiz

47. 4.What is the name of NaCN? a.sodium carbonate b.sodium carbonite c.sodium carbide d.sodium carbon nitride e.sodium cyanide Daily Quiz

48. 1.What is the formula for calcium chloride? a.CaCl b.Ca 2 Cl c.CaCl 2 d.Ca 2 Cl 2 Daily Quiz

49. 1.What is the formula for calcium chloride? a.CaCl b.Ca 2 Cl c.CaCl 2 d.Ca 2 Cl 2 Daily Quiz

50. 2.What is the formula for lithium thiosulfate? a.LiThSO 4 b.Li 2 SO 4 c.Li(SO 4 ) 2 d.Li 2 S 2 O 3 e.Li(S 2 O 3 ) 2 Daily Quiz

51. 2.What is the formula for lithium thiosulfate? a.LiThSO 4 b.Li 2 SO 4 c.Li(SO 4 ) 2 d.Li 2 S 2 O 3 e.Li(S 2 O 3 ) 2 Daily Quiz

52. 3.What is the name of KMnO 4 ? a.potassium permanganate b.potassium manganide c.potassium oxide d.manganate peroxide e.potassium manganese oxide Daily Quiz

53. 3.What is the name of KMnO 4 ? a.potassium permanganate b.potassium manganide c.potassium oxide d.manganate peroxide e.potassium manganese oxide Daily Quiz

54. 4.What is the name of NaCN? a.sodium carbonate b.sodium carbonite c.sodium carbide d.sodium carbon nitride e.sodium cyanide Daily Quiz

55. 4.What is the name of NaCN? a.sodium carbonate b.sodium carbonite c.sodium carbide d.sodium carbon nitride e.sodium cyanide Daily Quiz