Transcript Wednesday, September 5

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)
Write the correct formula:
Write the correct formula:
19. potassium and iodide
Write the correct formula:
19. potassium and iodide
+1
K
-1
I
Write the correct formula:
19. potassium and iodide
+1
K
-1
I
Write the correct formula:
19. potassium and iodide
+1
K
-1
I
Write the correct formula:
19. potassium and iodide
KI
Write the correct formula:
20. magnesium and chloride
Write the correct formula:
20. magnesium and chloride
+1
Mg
-1
Cl
Write the correct formula:
20. magnesium and chloride
+2
Mg
-1
Cl
Write the correct formula:
20. magnesium and chloride
+2
Mg
-1
Cl
Write the correct formula:
20. magnesium and chloride
+2
Mg1
-1
Cl2
Write the correct formula:
20. magnesium and chloride
MgCl2
Write the correct formula:
21. aluminum and bromide
Write the correct formula:
21. aluminum and bromide
+3
Al
-1
Br
Write the correct formula:
21. aluminum and bromide
+3
Al
-1
Br
Write the correct formula:
21. aluminum and bromide
+3
Al
-1
Br
Write the correct formula:
21. aluminum and bromide
+3
Al 1
-1
Br 3
Write the correct formula:
21. aluminum and bromide
AlBr3
Write the correct formula:
22. cesium and nitride
Write the correct formula:
22. cesium and nitride
+1
Cs
-3
N
Write the correct formula:
22. cesium and nitride
+1
Cs
-3
N
Write the correct formula:
22. cesium and nitride
+1
Cs
-3
N
Write the correct formula:
22. cesium and nitride
+1
Cs 3
-3
N1
Write the correct formula:
22. cesium and nitride
Cs3N
Write the correct formula:
23. barium and sulfide
Write the correct formula:
23. barium and sulfide
+2
Ba
-2
S
Write the correct formula:
23. barium and sulfide
+2
Ba
-2
S
Write the correct formula:
23. barium and sulfide
+2
Ba
-2
S
Write the correct formula:
23. barium and sulfide
BaS
Name the following compounds:
23. barium and sulfide
BaS
Name the following compounds:
29.
NaBr
Name the following compounds:
29.
NaBr
sodium bromide
Name the following compounds:
30.
CaCl2
Name the following compounds:
30.
CaCl2
calcium chloride
Name the following compounds:
31.
KOH
Name the following compounds:
31.
KOH
potassium hydroxide
Name the following compounds:
32.
Cu(NO3)2
Name the following compounds:
32.
Cu(NO3)2
copper nitrate
Name the following compounds:
33.
Ag2CrO4
Name the following compounds:
33.
Ag2CrO4
silver chromate
Daily Quiz
Daily Quiz
You may use the table of
common polyatomic ions
on page 224.
Daily Quiz
1. What is the formula for
calcium chloride?
a. CaCl
b. Ca2Cl
c. CaCl2
d. Ca2Cl2
Daily Quiz
2. What is the formula for
lithium thiosulfate?
a. LiThSO4
b. Li2SO4
c. Li(SO4)2
d. Li2S2O3
e. Li(S2O3)2
Daily Quiz
3. What is the name of
KMnO4?
a.
b.
c.
d.
e.
potassium permanganate
potassium manganide
potassium oxide
manganate peroxide
potassium manganese oxide
Daily Quiz
4. What is the name of
NaCN?
a.
b.
c.
d.
e.
sodium carbonate
sodium carbonite
sodium carbide
sodium carbon nitride
sodium cyanide
Daily Quiz
1. What is the formula for
calcium chloride?
a. CaCl
b. Ca2Cl
c. CaCl2
d. Ca2Cl2
Daily Quiz
1. What is the formula for
calcium chloride?
a. CaCl
b. Ca2Cl
c. CaCl2
d. Ca2Cl2
Daily Quiz
2. What is the formula for
lithium thiosulfate?
a. LiThSO4
b. Li2SO4
c. Li(SO4)2
d. Li2S2O3
e. Li(S2O3)2
Daily Quiz
2. What is the formula for
lithium thiosulfate?
a. LiThSO4
b. Li2SO4
c. Li(SO4)2
d. Li2S2O3
e. Li(S2O3)2
Daily Quiz
3. What is the name of
KMnO4?
a.
b.
c.
d.
e.
potassium permanganate
potassium manganide
potassium oxide
manganate peroxide
potassium manganese oxide
Daily Quiz
3. What is the name of
KMnO4?
a.
b.
c.
d.
e.
potassium permanganate
potassium manganide
potassium oxide
manganate peroxide
potassium manganese oxide
Daily Quiz
4. What is the name of
NaCN?
a.
b.
c.
d.
e.
sodium carbonate
sodium carbonite
sodium carbide
sodium carbon nitride
sodium cyanide
Daily Quiz
4. What is the name of
NaCN?
a.
b.
c.
d.
e.
sodium carbonate
sodium carbonite
sodium carbide
sodium carbon nitride
sodium cyanide