Last Night

1
Last Nights 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
Write the correct formula

• 19. potassium and iodide

4
Write the correct formula

• 19. potassium and iodide
• K1 I-1

5
Write the correct formula

• 19. potassium and iodide
• K1 I-1

6
Write the correct formula

• 19. potassium and iodide
• K1 I-1

7
Write the correct formula

• 19. potassium and iodide
• KI

8
Write the correct formula

• 20. magnesium and chloride

9
Write the correct formula

• 20. magnesium and chloride
• Mg1 Cl-1

10
Write the correct formula

• 20. magnesium and chloride
• Mg2 Cl-1

11
Write the correct formula

• 20. magnesium and chloride
• Mg2 Cl-1

12
Write the correct formula

• 20. magnesium and chloride
• Mg2 Cl-1

2
1
13
Write the correct formula

• 20. magnesium and chloride
• MgCl2

14
Write the correct formula

• 21. aluminum and bromide

15
Write the correct formula

• 21. aluminum and bromide
• Al3 Br-1

16
Write the correct formula

• 21. aluminum and bromide
• Al3 Br-1

17
Write the correct formula

• 21. aluminum and bromide
• Al3 Br-1

18
Write the correct formula

• 21. aluminum and bromide
• Al3 Br-1

3
1
19
Write the correct formula

• 21. aluminum and bromide
• AlBr3

20
Write the correct formula

• 22. cesium and nitride

21
Write the correct formula

• 22. cesium and nitride
• Cs1 N-3

22
Write the correct formula

• 22. cesium and nitride
• Cs1 N-3

23
Write the correct formula

• 22. cesium and nitride
• Cs1 N-3

24
Write the correct formula

• 22. cesium and nitride
• Cs1 N-3

1
3
25
Write the correct formula

• 22. cesium and nitride
• Cs3N

26
Write the correct formula

• 23. barium and sulfide

27
Write the correct formula

• 23. barium and sulfide
• Ba2 S-2

28
Write the correct formula

• 23. barium and sulfide
• Ba2 S-2

29
Write the correct formula

• 23. barium and sulfide
• Ba2 S-2

30
Write the correct formula

• 23. barium and sulfide
• BaS

31
Name the following compounds

• 23. barium and sulfide
• BaS

32
Name the following compounds

• 29. NaBr

33
Name the following compounds

• 29. NaBr
• sodium bromide

34
Name the following compounds

• 30. CaCl2

35
Name the following compounds

• 30. CaCl2
• calcium chloride

36
Name the following compounds

• 31. KOH

37
Name the following compounds

• 31. KOH
• potassium hydroxide

38
Name the following compounds

• 32. Cu(NO3)2

39
Name the following compounds

• 32. Cu(NO3)2
• copper nitrate

40
Name the following compounds

• 33. Ag2CrO4

41
Name the following compounds

• 33. Ag2CrO4
• silver chromate

42
Daily Quiz
43
Daily Quiz

• You may use the table of common polyatomic ions
  on page 224.

44
Daily Quiz

• What is the formula for calcium chloride?
• CaCl
• Ca2Cl
• CaCl2
• Ca2Cl2

45
Daily Quiz

• 2. What is the formula for lithium thiosulfate?
• LiThSO4
• Li2SO4
• Li(SO4)2
• Li2S2O3
• Li(S2O3)2

46
Daily Quiz

• 3. What is the name of KMnO4?
• potassium permanganate
• potassium manganide
• potassium oxide
• manganate peroxide
• potassium manganese oxide

47
Daily Quiz

• 4. What is the name of NaCN?
• sodium carbonate
• sodium carbonite
• sodium carbide
• sodium carbon nitride
• sodium cyanide

48
Daily Quiz

• What is the formula for calcium chloride?
• CaCl
• Ca2Cl
• CaCl2
• Ca2Cl2

49
Daily Quiz

• What is the formula for calcium chloride?
• CaCl
• Ca2Cl
• CaCl2
• Ca2Cl2

50
Daily Quiz

• 2. What is the formula for lithium thiosulfate?
• LiThSO4
• Li2SO4
• Li(SO4)2
• Li2S2O3
• Li(S2O3)2

51
Daily Quiz

• 2. What is the formula for lithium thiosulfate?
• LiThSO4
• Li2SO4
• Li(SO4)2
• Li2S2O3
• Li(S2O3)2

52
Daily Quiz

• 3. What is the name of KMnO4?
• potassium permanganate
• potassium manganide
• potassium oxide
• manganate peroxide
• potassium manganese oxide

53
Daily Quiz

• 3. What is the name of KMnO4?
• potassium permanganate
• potassium manganide
• potassium oxide
• manganate peroxide
• potassium manganese oxide

54
Daily Quiz

• 4. What is the name of NaCN?
• sodium carbonate
• sodium carbonite
• sodium carbide
• sodium carbon nitride
• sodium cyanide

55
Daily Quiz

• 4. What is the name of NaCN?
• sodium carbonate
• sodium carbonite
• sodium carbide
• sodium carbon nitride
• sodium cyanide