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(Chem-1) 3rd Quarter Review (Quizizz)

Total questions: 268

Worksheet time: 5hrs 2mins

Name
Class
Date
1.

What is the molar mass of sodium?

a)

11 g/mol

b)

23 g/mol

c)

45.98 g/mol

d)

3 g/mol

2.
What are the units for molar mass?
a)
grams
b)
amu
c)
grams/mole
d)
liters
3.

Fluorine is diatomic ( which means they travel in pairs). What is the molar mass of fluorine gas?

a)

19 g/mol

b)

38 g/mol

c)

9 g/mol

d)

18 g/mol

4.

What is the mass of one mole of Al2(SO4)3?

a)

27 g/mol

b)

164.10 g/mol

c)

53.985 g/mol

d)

342.17g/mol

5.

What is the molar mass of table salt (NaCl)?

a)

117 g/mol

b)

35.453 g/mol

c)

22.990 g/mol

d)

58.5 g/mol

6.

What is the mass of one mole of aluminum chloride AlCl3?

a)

62.435g

b)

116.399g

c)

133.341g

d)

97.888g

7.

What is the molar mass of NaOH?

a)

40.0 g/mol

b)

38.989 g/mol

c)

23 g/mol

d)

57.004 g/mol

8.

What is the Molar Mass of water?

a)

2 g/mol

b)

18 g/mol

c)

14.0 g/mol

d)

28 g/mol

9.
What is the molar mass of table salt (NaCl)?
a)
116.886 g/mol
b)
35.453 g/mol
c)
22.990 g/mol
d)
58.443 g/mol
10.
What are the units in molar mass?
a)
grams
b)
moles
c)
moles/gram
d)
grams/mole
11.

Which of the following would have more mass: 1 mole Li, 1 mole Au,

a)

1 mole Li

b)

1 mole Si

c)

1 mole Au

d)

None, all are equal

12.

How many grams are in 2.44 moles of Al?

a)

26.98 g

b)

65.8 g

c)

0.0904 g

d)

25.4g

13.

How many atoms are in 13.5 grams of Beryllium?

a)

6.02 x 10^23 atoms

b)

6.02 atoms

c)

9.02 x 10^23 atoms

d)

9.02 atoms

14.

How do we get mass (in grams) from moles?

a)

Multiply by the molar mass

b)

Divide by the molar mass

c)

Multiply by Avagadro's number

d)

Divide by Avagadro's Number

15.

How do we get moles from mass(in grams)?

a)

Multiply by the molar mass

b)

Divide by the molar mass

c)

Multiply by Avogadro's number

d)

Divide by Avogadro's number

16.

One mole of Copper is 63.55 g/mole. One mole of Lithium is 6.94 g/mole. Which has more atoms? One mole of Cu or one mole of Li?

a)

I mole of Cu

b)

I mole of Li

c)

They both have the same amount of atoms (6.02 x 10^23 atoms/mole)

d)

All of the answers are correct.

17.

to solve how many grams are in 9.05 x 10^23 atoms of Sodium you need to....

a)
b)
c)
d)

All of the answers are correct.

18.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

19.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

20.

Is this molecule polar or non-polar?

a)

Non-polar

b)

Polar

21.
In covalent bonds, electrons are ___________.
a)
transferred
b)
gained
c)
lost
d)
shared
22.
In a polar covalent bond, electrons are shared ___________.
a)
equally
b)
unequally
c)
between non-metals with similar electronegativities
d)
between a metal and a non-metal
23.
In this Lewis structure, the symbol above F means...
a)
electrons are being transferred to Fluorine
b)
electrons are less attracted to F than H
c)
electrons are more attracted to F than H
d)
Fluorine has formed a cation
24.
This is an example of a __________ bond.
a)
non-polar covalent
b)
polar covalent
c)
ionic
d)
metallic
25.
What geometry will this molecular structure have?: PH3
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
26.

What electron geometry will this molecular structure have?: H2S

a)

bent

b)

tetrahedral

c)

linear

d)

trigonal pyramidal

27.
What geometry will this molecular structure have?: CCl4
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
28.
Will this molecule be polar or nonpolar? H2S
a)
polar
b)
nonpolar
29.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
30.

What is the molecular geometry for this molecule?

a)

Bent

b)

Trigonal pyramidal

c)

Trigonal planar

d)

Linear

31.
Choose the correct shape for this molecule:
a)
Bent
b)
Linear
c)
Tetrahedral
d)
Trigonal pyramidal
32.

A molecular geometry with 3 bonding pairs is

a)

Trigonal pyramidal

b)

Trigonal planar

c)

Trigonal bipyramidal

d)

T-shaped

33.

A molecular geometry with 2 lone pairs and 2 bonding pairs is

a)

Tetrahedral

b)

Trigonal pyramidal

c)

Bent

d)

Linear

34.
Which molecule would have this molecular geometry?
a)
BF3
b)
CH4
c)
PCl5
d)
CO2
35.
What molecule could this be? 
a)
BF3
b)
CH4
c)
H2O
d)
CO2
36.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
37.
Who could this be?
a)
H2O
b)
NH3
c)
CO2
d)
CH4
38.
How many lone pairs of electrons are on the P atom in PF3?
a)
1
b)
2
c)
3
d)
0
39.

What molecular geometry will this molecule have? H2S

a)

Bent

b)

Triginal Pyramidal

c)

Triginal Planar

d)

Tetrahedral

40.

What is the sum of all of the coefficients when this equation is balanced?

Rb(s) + H2O(l) → RbOH(aq) + H2(g)

a)

4

b)

5

c)

6

d)

7

41.

State whether the following compound is soluble or insoluble.

lead(II) bromide (PbBr2)

a)

soluble

b)

insoluble

42.

State whether the following compound is soluble or insoluble. Silver chloride (AgCI)

a)

Soluble

b)

Insoluble

43.

Which of the products will form the solid when a solution of Potassium Carbonate reacts with a solution of Calcium Nitrate?

a)

CaK2

b)

CaCO3

c)

KNO3

d)

NO3CO3

44.

What is the ratio of lithium consumed to hydrogen gas produced when this equation is balanced?

Li(s) + H2O(l) → LiOH(aq) + H2(g)

a)

0.5

b)

1

c)

2

d)

0.33

45.

Predict and then choose the correctly balanced products.

H3PO4 + Al(OH)3→

a)

3HOH + AlPO4

b)

HOH + 3AlPO4

c)

H3(OH)3 + PO4Al

d)

H3(OH)3 + 3AlPO4

46.

State whether the following compound is soluble or insoluble. Barium Sulfate (BaSO4)

a)

Soluble

b)

Insoluble

47.

What type of reaction is this?

H2SO4 + Mg(OH)2 → 2H2O + MgSO4

Use the solubility rules if needed.

a)

ion-swap (PPT)

b)

ion-swap (Acid/Base)

c)

oxidation-reduction

d)

single replacement

48.

What type of reaction is this?

Na3PO4 +Ca(NO3)2 → NaNO3 + Ca3(PO4)2

Use the solubility rules if needed.

a)

ion-swap (PPT)

b)

ion-swap (Acid/Base)

c)

oxidation / reduction

d)

single replacement

49.

What are the coefficients of the balanced chemical equation (BCE)?

____ KClO3 (s) → ____ KCl (s) + ____ O2 (g)

a)

1,1,2

b)

2,2,3

c)

2,6,3

d)

3,2,3

50.
How many moles is 4 grams of Calcium?
a)
0.10 moles
b)
10 moles
c)
44 moles
d)
160 moles
51.
How many grams is 1.2 moles of Neon?
a)
0.05 grams
b)
16.6 grams
c)
21.2 grams
d)
24 grams
52.
Find the number of moles in 30 grams of H3PO4
a)
30 mol H3PO4
b)
0.31 mol H3PO4
c)
97 mol H3PO4
d)
3.26 mol H3PO4
53.
Find the number of moles in 25 grams of HF?
a)
1.25 mol HF
b)
25 mol HF
c)
0.8 mol HF
d)
80 mol HF
54.
How many moles is 4 grams of Calcium?
a)
0.10 moles
b)
10 moles
c)
44 moles
d)
160 moles
55.
How many grams is 1.2 moles of Neon?
a)
0.05 grams
b)
16.6 grams
c)
21.2 grams
d)
24 grams
56.
Find the number of moles in 30 grams of H3PO4
a)
30 mol H3PO4
b)
0.31 mol H3PO4
c)
97 mol H3PO4
d)
3.26 mol H3PO4
57.
Find the number of moles in 25 grams of HF?
a)
1.25 mol HF
b)
25 mol HF
c)
0.8 mol HF
d)
80 mol HF
58.

How many grams are there in 4 moles of H2O?

a)

64

b)

38

c)

72

59.

How many mole are there in 51 grams of NH3?

a)

1 mole

b)

2 moles

c)

3 moles

60.

How many grams are there in 2.0 moles of NH3?

a)

17 grams

b)

28 grams

c)

34 grams

d)

51 grams

61.

How many moles are there in 108 grams of H2O?

a)

7 moles

b)

6 moles

c)

5 moles

d)

4 moles

62.

What is the molar mass of sodium?

a)

11.01 g/mol

b)

22.99 g/mol

c)

45.98 g/mol

d)

3.08 g/mol

63.
What are the units for molar mass?
a)
grams
b)
amu
c)
grams/mole
d)
liters
64.

Fluorine is diatomic ( which means they travel in pairs). What is the molar mass of fluorine gas?

a)

19.00 g/mol

b)

38.00 g/mol

c)

9.00 g/mol

d)

18.00 g/mol

65.

What is the mass of one mole of aluminum?

a)

27 g

b)

13 g

c)

53.985 g

d)

14 g

66.

What is the molar mass of table salt (NaCl)?

a)

117 g/mol

b)

35.45 g/mol

c)

22.99 g/mol

d)

58.52 g/mol

67.

What is the mass of one mole of aluminum chloride AlCl3?

a)

62.43 g

b)

116.39 g

c)

133.33 g

d)

97.88 g

68.

What is the molar mass of NaOH?

a)

40.0 g/mol

b)

38.989 g/mol

c)

23 g/mol

d)

57.004 g/mol

69.

What is the Molar Mass of water?

a)

2.02 g/mol

b)

18.02 g/mol

c)

14.02 g/mol

d)

28.02 g/mol

70.

The mass of one mole of a substance is called?

a)

Molecular mass

b)

Mole constant

c)

Molar Mass

d)

Atomic weight

71.

What is the molar mass of CO2?

a)

12.40 g/mol

b)

16.55 g/mol

c)

32.21 g/mol

d)

44.01 g/mol

72.

What are the units for molar mass?

a)

grams

b)

AMU

c)

g/mol

d)

mole

73.
What is the molar mass of table salt (NaCl)?
a)

116.89 g/mol

b)

35.45 g/mol

c)

22.99 g/mol

d)

58.44 g/mol

74.

What is the percent composition by mass of sulfur (S) in the compound MgSO4?

a)

20.22%

b)

19.85%

c)

26.64%

d)

28.64%

75.

What is the molar mass of Zn(C2H3O2)2

a)

183.46g/mol

b)

169.89L

c)

120.65g/mol

d)

236.54M

76.

What percent of Zn3(PO4)2 is zinc?

a)

33.15%

b)

16.04%

c)

50.80%

d)

19.68%

77.

What is the percent composition of a compound that contains 40.8 g carbon and 54.4 g oxygen?

a)

42.9 %; 57.1% oxygen

b)

52.9 %; 57.1% oxygen

c)

42.9 %; 45.23% oxygen

d)

55.9 %; 99.1% oxygen

78.

Find the percent composition of CaCl2?

a)

Ca: 36.11%; Cl: 63.88%

b)

Ca: 53.12%; Cl: 100%

c)

Ca: 36.11%; Cl: 83.56%

d)

Ca: 46.11%; Cl: 63.88%

79.
How many moles is 4 grams of Calcium?
a)
0.10 moles
b)
10 moles
c)
44 moles
d)
160 moles
80.
How many grams is 1.2 moles of Neon?
a)
0.05 grams
b)
16.6 grams
c)
21.2 grams
d)
24 grams
81.
Find the number of moles in 30 grams of H3PO4
a)
30 mol H3PO4
b)
0.31 mol H3PO4
c)
97 mol H3PO4
d)
3.26 mol H3PO4
82.
Find the number of moles in 25 grams of HF?
a)
1.25 mol HF
b)
25 mol HF
c)
0.8 mol HF
d)
80 mol HF
83.
What is the percent by mass of magnesium in MgO?
a)
20%
b)
40%
c)
50%
d)
60%
84.
What is the percent by mass of sodium in NaCl?
a)
39%
b)
61%
c)
35%
d)
65%
85.
What is the percent composition by mass of oxygen in the compound MgSO4 (gram formula mass = 120 g/mol)?
a)
20%
b)
27%
c)
46%
d)
53%
86.
What is the percent by mass of chlorine in NaCl?
a)
39%
b)
61%
c)
35%
d)
65%
87.
What is the percent by mass of fluorine in CaF2 (gram-formula mass = 78 g/mol)?
a)
24%
b)
49%
c)
51%
d)
65%
88.
Find the percent composition of Cu2S?
a)
%Cu= 67.987 %S= 32.013
b)
%Cu= 79.854   %S= 20.145
c)
%Cu= 35.946   %S= 64.054
89.

What is the percent composition of the elements in Benzene, C6H6?

a)

C = 50%

H = 50%

b)

C = 85.7 %

H = 14.3%

c)

C = 92.2%

H = 7.8%

d)

C = 71.9%

H = 28.1%

90.
The mass of one mole of substance is called...
a)
molecular mass
b)
mole constant
c)
molar mass
d)
atomic weight
91.
What is the molar mass of fluorine gas?
(beware!)
a)
18.998 g/mol
b)
38 g/mol
c)
9 g/mol
d)
18 g/mol
92.
What is the molar mass of table salt (NaCl)?
a)
116.886 g/mol
b)
35.453 g/mol
c)
22.990 g/mol
d)
58.443 g/mol
93.
What is the mass of one mole of aluminum chloride (remember to determine the correct formula first)?
a)
62.435g
b)
116.399g
c)
133.341g
d)
97.888g
94.
What is the molar mass of CO2?
a)
12
b)
16
c)
32
d)
44
95.

Calculate the molar mass of KOH.

a)

28 g/mol

b)

56 g/mol

c)

84 g/mol

d)

112 g/mol

96.

Calculate the molar mass of water (H2O).

a)

10 g/mol

b)

17.00 g/mol

c)

18.02 g/mol

d)

34 g/mol

97.

Calculate the molar mass for Al(OH)3

a)

78.0 g/mol

b)

72 g/mol

c)

28 g/mol

d)

25 g/mol

98.

What is the molar mass of Cl2? (Watch out on this one!!)

a)

17 g/mol

b)

35.5 g/mo;

c)

71.0 g/mol

d)

89 g/mol

99.

How many moles are in 125 grams of Cl2? (Watch out on this one!!)

a)

1.76 mol

b)

35.5 mol

c)

71.0 g/mol

d)

3.52 mol

100.

How many moles are in 19.82 g Mg?

a)

1.23 mol Mg

b)

481.70 mol Mg

c)

1.00 mol Mg

d)

0.82 mol Mg

101.

What is the percent composition by mass of sulfur (S) in the compound MgSO4?

a)

20.22%

b)

19.85%

c)

26.64%

d)

28.64%

102.

Determine the mass of 4.20 moles of C6H12

a)

354 g

b)

84 g

c)

337 g

d)

421 g

103.
What is the molar mass of PbSO4
a)
303.3 g/mol
b)
294.7g/mol
c)
163.8g/mol
d)
372g/mol
104.

How many moles are in 246 grams of PbSO4

a)
303.3 g/mol
b)

0.811 mol

c)

  1. 0.246 mol

d)
372g/mol
105.

How many grams are in 1.2 moles of Neon?

a)

0.05 grams

b)

16.6 grams

c)

21.2 grams

d)

24 grams

106.

What is the chemical formula for calcium carbonate?

a)

Ca(CO)3

b)

CaCO3

c)

CaC3

d)

Ca3(OH)

107.
What is the percent composition of Benzene, C6H6?
a)
C = 50%
H = 50%
b)
C = 85.7 %
H = 14.3%
c)
C = 92.2%
H = 7.8%
d)
C = 71.9%
H = 28.1%
108.
What is the percent composition by mass of oxygen in the compound MgSO4 (gram formula mass = 120 g/mol)?
a)
20%
b)
27%
c)
46%
d)
53%
109.
What is the percent by mass of fluorine in CaF2 (gram-formula mass = 78 g/mol)?
a)
24%
b)
49%
c)
51%
d)
65%
110.

What is the percent by mass of oxygen in MgO? Hint: The attached image is an example of a worked problem other than this one.

a)

20%

b)

40%

c)

50%

d)

60%

111.

Lithium phosphide (three lithium atoms with one phosphorus atom) has a chemical formula of Li3P. If you look at the total atomic mass of Li3P, does lithium or phosphorus make up more of the mass?

a)

lithium

b)

phosphorus

c)

they are exactly the same

d)

it is impossible to tell

112.

What is the molar mass of calcium hydroxide, Ca(OH)2?

a)

74.1 g/mole

b)

57.1 g/mole

c)

58.1 g/mole

d)

57.1 u

113.

How many moles of calcium hydroxide are in 95.8 grams of Ca(OH)2?

a)

0.741 mole

b)

1.29 mol

c)

5.81 mol

d)

7098 mol

114.

How many moles are present in a 13.5 gram sample of beryllium?

a)

1.5 moles

b)

9.5 moles

c)

4.03 moles

d)

9.02 x1023 moles

115.

Which of the following shows the correct setup to determine the number of moles of molecules in a 12.0 gram sample of Cl2?

a)

12/35.5 mole

b)

12/71 mole

c)

12 moles

d)

12 x 35.5 moles

116.

Determine the mass of 2.40 moles of C6H12

a)

201 g

b)

115 g

c)

230. g

d)

353 g

117.
What is the total number of moles contained in 115 g of C2H5OH?
a)
1.0
b)
1.5
c)
3.0
d)
2.5
118.
What is the total mass in grams of 0.75 mole of SO2?
a)
16 g
b)
24 g
c)
32 g
d)
48 g
119.

What is the mass of 0.75 moles of (NH4)3PO4?

a)

0.0044 g

b)

91 g

c)

110 g

d)

74 g

120.
Calculate the % composition by mass of oxygen present in H2SO4.
a)
16.3%
b)
65.25%
c)
32.6%
d)
57.14%
121.
What is the total mass in grams of 0.75 mole of SO2?
a)
16 g
b)
24 g
c)
32 g
d)
48 g
122.

What is the mass of 5.62 moles of O2?

a)

179.8 g

b)

0.25 g

c)

89.92 g

d)

0.18 g

123.

What is the mass of 3.20 moles of H2O?

a)

57.7 g

b)

1.40 g

c)

0.178 g

d)

51.2 g

124.
What is the mass of 0.89 mol of CaCl2?
a)
111 grams
b)
0.008 grams
c)
98.9 grams
d)
none of the choices
125.
What is the formula for sodium nitrate?
a)
Na3NO
b)
NaNO
c)
Na3NO3
d)
NaNO3
126.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
127.
What is the formula for iron(II) carbonate?
a)
Fe2CO3
b)
FeCO3
c)
Fe2CO2
d)
FeCO4
128.
What is the formula for calcium carbonate?
a)
CaCO
b)
CaCO2
c)
CaCO3
d)
Ca3CO3
129.
What is the formula for sodium phosphate?
a)
Na3PO4
b)
Na3PO3
c)
Na3P
d)
Na3PO
130.
What is the formula for copper (II) hydroxide?
a)
CuOH
b)
Cu(OH)2
c)
Cu2OH
d)
Cu2O
131.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
132.
What is the formula for magnesium phosphide?
a)
Mg3P2
b)
Mg2P3
c)
Mg2PO3
d)
Mg3(PO3)2
133.

Because the overall charge in an ionic compound must be ____, the charge of iron in Fe2O3 can be calculated as 3+.

a)
2+
b)
1+
c)
0
d)
1-
134.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
135.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
136.
What is an anion?
a)
positive ion
b)
negative ion
c)
neutral atom
d)
2 neutrons taken away
137.
What is a cation?
a)
positive ion
b)
Neutral atom
c)
Two additional protons
d)
negative ion
138.
Name this compound: 
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
139.
Write the formula for copper (I) phosphide
a)
Cu3P
b)
CuP
c)
Cu1P
d)
CuP3
140.
Name this compound:
NiPO4
a)
Nickel (I) phosphate
b)
Nickel (II) phosphate
c)
Nickel (IV) phosphate
d)
Nickel (III) phosphate
141.
Which of these compounds is ionic? 
a)
Carbon dioxide
b)
Dinitrogen trioxide
c)
Silicon tetrachloride
d)
Lithium bromide
142.

Write the formula for copper (Il) phosphate

a)

Cu3PO4

b)

Cu3P2

c)

CuPO4

d)

Cu3(PO4)2

143.

Write the formula for ammonium nitrate.

a)

Am4NO3

b)

NH4NO3

c)

NH3NO4

d)

N4N3

144.

Which formula is for sodium hydrogen carbonate? A.K.A. Sodium Bicarbonate.

a)

NaHCO3

b)

Na2CO3

c)

Na2CO4

d)

NaCO3

145.
What type of reaction occurs between an element and a compound?
Zn + 2HCl --> ZnCl2 + H2
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
146.
What kind of reaction is this:
2H2 + O2 --> 2H2O
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
147.
What kind of reaction is this:
4Fe  +  3O2 →   2Fe2O3 
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Double Replacement
148.
What kind of reaction is this:
2H2O2 →2 H2O + O2
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Combustion
149.
What kind of reaction is this:
2C3H7OH +9O2 -> 6CO2 + 8H2O
a)
Double Replacement
b)
Combustion
c)
Single Replacement
d)
Decomposition
150.
What kind of reaction is this:
Fe + CuSO4 -> Cu + FeSO4
a)
Double Replacement
b)
Decompostion
c)
Single Replacement
d)
Combustion
151.
The reaction below is an example of?
AgNO3 + NaCl → AgCl + NaNO3
a)
Single Replacement
b)
Double Replacement
c)
Decomposition
d)
Combustion
152.
What kind of reaction is this:
 CaCO3 + Ag2SO4 → CaSO4 + Ag2CO3 
a)
Decomposition
b)
Single Replacement
c)
Double Replacement
d)
Combustion
153.
An element plus additional element reacts to form one product is an example of which type of chemical reaction? 
a)
combustion
b)
decomposition 
c)
synthesis 
d)
single replacement
154.
Which type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?
a)
double replacement 
b)
decomposition 
c)
combustion 
d)
single replacement
155.
Which type of reaction can be recognized by the general pattern?
A + BC--> AC + B
a)
Decomposition
b)
Combustion
c)
Single Replacement
d)
Double Replacement
156.
Which type of reaction involves one element and one compound reacting?
a)
Single Replacement
b)
Double Replacement
c)
Combustion
d)
Synthesis
157.
What type of reaction is illustrated below?
2HI --> H2  +  I2
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
158.
Classify
HI → H2 + I2
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
159.
Classify
Zn + H2S → ZnS + H2
a)
synthesis
b)
combustion
c)
single replacement
d)
double replacement
160.
Classify
CH4 + O2 → CO2 + H2O 
a)
single replacement
b)
double replacement
c)
synthesis
d)
combustion
161.
Classify
FeS + HCl → H2S + FeCl2
a)
synthesis
b)
combustion
c)
single replacement
d)
double replacement
162.
Classify
Fe + O2 → Fe2O3
a)
synthesis
b)
decomposition
c)
double replacement 
d)
single replacement
163.
Which of the following general formulas represents a single-displacement reaction?
a)
AB → A + B   
b)
A + B → AB
c)
A + BC → AC + B
d)
AB + CD → AD + CB
164.
The formula AB → A+B represents what type of chemical reaction?
a)
synthesis
b)
decomposition
c)
single displacement
d)
double replacement
165.
Carbon dioxide
a)
C2O2
b)
C20
c)
CO
d)
CO2
166.
Phosphorous trichloride
a)
PCl3
b)
P3Cl
c)
P3Cl3
d)
PCl
167.
Bromine monoflouride
a)
Br1F1
b)
BrF
c)
Br2F
d)
BrF2
168.
Disulfur trioxide
a)
S3O2
b)
SO
c)
S2O3
d)
S2O
169.
P2O5
a)
Phosphorus oxide
b)
Pentaphosphorus dioxide
c)
Diphosphorous pentoxide
d)
Phosphoric oxygen
170.
SeF4
a)
Tetraselenium fluoride
b)
Selenium fluoride
c)
Selenium tetraflouride
d)
Selenium (IV) fluoride
171.
PBr5
a)
Phosphorus bromide
b)
Phosphorus pentabromide
c)
Pentaphosphorus bromide
d)
Phosphorus bromine
172.
Name the following compound:
  BF3
a)
boron fluoride
b)
boron difluoride
c)
monoboron trifluoride
d)
boron trifluoride
173.
A binary covalent bond exists between
a)
2 metals
b)
1 metal and 1 nonmetal
c)
2 nonmetals
d)
Any 2 elements
174.
What is the correct name for C4H6?
a)
Carbon hexahydride
b)
Pentacarbon pentahydride
c)
Hexacarbon tetrahydride
d)
Tetracarbon hexahydride
175.
What is the correct name for NO?
a)
Mononitrogen monoxide
b)
Nitrogen monoxide
c)
Mononitrogen dioxide
d)
Nitrogen oxide
176.
What is the formula for Tricarbon Octahydride?
a)
Ca3O
b)
C2H8
c)
C3H8
d)
Ca3H8
177.
What is the formula for sodium nitrate?
a)
Na3NO
b)
NaNO
c)
Na3NO3
d)
NaNO3
178.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
179.
What is the formula for iron(II) carbonate?
a)
Fe2CO3
b)
FeCO3
c)
Fe2CO2
d)
FeCO4
180.
What is the formula for calcium carbonate?
a)
CaCO
b)
CaCO2
c)
CaCO3
d)
Ca3CO3
181.
What is the formula for sodium phosphate?
a)
Na3PO4
b)
Na3PO3
c)
Na3P
d)
Na3PO
182.
What is the formula for copper (II) hydroxide?
a)
CuOH
b)
Cu(OH)2
c)
Cu2OH
d)
Cu2O
183.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
184.
What is the formula for magnesium phosphide?
a)
Mg3P2
b)
Mg2P3
c)
Mg2PO3
d)
Mg3(PO3)2
185.
Because the overall charge in a compound must be ____________, the charge of iron in Fe2O3 can be calculated as 3+.
a)
2+
b)
1+
c)
0
d)
1-
186.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
187.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
188.
What is an anion?
a)
positive ion
b)
negative ion
c)
neutral atom
d)
2 neutrons taken away
189.
What is a cation?
a)
positive ion
b)
Neutral atom
c)
Two additional protons
d)
negative ion
190.
Name this compound: 
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
191.
Write the formula for copper (I) phosphide
a)
Cu3P
b)
CuP
c)
Cu1P
d)
CuP3
192.
Name this compound:
NiPO4
a)
Nickel (I) phosphate
b)
Nickel (II) phosphate
c)
Nickel (IV) phosphate
d)
Nickel (III) phosphate
193.
Which of these compounds is ionic? 
a)
Carbon dioxide
b)
Dinitrogen trioxide
c)
Silicon tetrachloride
d)
Lithium bromide
194.
What is the formula for sodium nitrate?
a)
Na3NO
b)
NaNO
c)
Na3NO3
d)
NaNO3
195.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
196.
What is the formula for iron(II) carbonate?
a)
Fe2CO3
b)
FeCO3
c)
Fe2CO2
d)
FeCO4
197.
What is the formula for calcium carbonate?
a)
CaCO
b)
CaCO2
c)
CaCO3
d)
Ca3CO3
198.
What is the formula for sodium phosphate?
a)
Na3PO4
b)
Na3PO3
c)
Na3P
d)
Na3PO
199.
What is the formula for copper (II) hydroxide?
a)
CuOH
b)
Cu(OH)2
c)
Cu2OH
d)
Cu2O
200.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
201.
What is the formula for magnesium phosphide?
a)
Mg3P2
b)
Mg2P3
c)
Mg2PO3
d)
Mg3(PO3)2
202.

Because the overall charge in an ionic compound must be ____, the charge of iron in Fe2O3 can be calculated as 3+.

a)
2+
b)
1+
c)
0
d)
1-
203.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
204.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
205.
What is an anion?
a)
positive ion
b)
negative ion
c)
neutral atom
d)
2 neutrons taken away
206.
What is a cation?
a)
positive ion
b)
Neutral atom
c)
Two additional protons
d)
negative ion
207.
Name this compound: 
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
208.
Write the formula for copper (I) phosphide
a)
Cu3P
b)
CuP
c)
Cu1P
d)
CuP3
209.
Name this compound:
NiPO4
a)
Nickel (I) phosphate
b)
Nickel (II) phosphate
c)
Nickel (IV) phosphate
d)
Nickel (III) phosphate
210.
Which of these compounds is ionic? 
a)
Carbon dioxide
b)
Dinitrogen trioxide
c)
Silicon tetrachloride
d)
Lithium bromide
211.

Write the formula for copper (Il) phosphate

a)

Cu3PO4

b)

Cu3P2

c)

CuPO4

d)

Cu3(PO4)2

212.

Write the formula for ammonium nitrate.

a)

Am4NO3

b)

NH4NO3

c)

NH3NO4

d)

N4N3

213.

Which formula is for hydrochloric acid

a)

HCl

b)

H2Cl

c)

H2SO4

d)

HNO3

214.

What is the name for this acid H2SO4

a)

hydrochloric acid

b)

phosphorus acid

c)

sulfuric acid

d)

nitric acid

215.

The correct formula for hydrobromic acid is

a)

HCl

b)

HBe

c)

HBr

d)

H2Br

216.

what is the name for this acid HF

a)

fluoric acid

b)

hydrofluoric acid

c)

fluorous acid

217.

The correct formula for carbonic acid is

a)

HCl

b)

H2CO2

c)

HCO3

d)

H2CO3

218.

The correct name for this acid CH3COOH is

a)

hydrochloric acid

b)

acetic acid

c)

hydroacetic acid

d)

acetate acid

219.

the anion part in HNO2 is

a)

nitrite ion

b)

nitric ion

c)

nitrate ion

d)

nitrogen ion

220.

The anion part in this H2PO4 acid is

a)

nitrate ion

b)

phosphate ion

c)

phosphite ion

d)

nitrous ion

221.

The correct formula for phosphoric acid

a)

HPO4

b)

H3PO4

c)

H2PH4

d)

HPO3

222.
phosphorous acid
a)

H3PO4

b)

H2PO4

c)

H3P

d)

H3PO3

223.
Hydroiodic acid
a)

H2I2

b)

H1I1

c)
HI
224.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__Na + __H2O --> __NaOH + __H2
a)
2,2 --> 2,1
b)
4,4 --> 4,1
c)
1,2 --> 2,4
d)
1,2 --> 2,1
225.

What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?

__Ca + __H2O --> __Ca(OH)2 + __H2

a)
2,1 --> 2,1
b)
1,2 --> 1,1
c)
1,2 --> 2,4
d)
1,2 --> 2,1
226.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__CO + __Fe2O3--> __Fe + __CO2
a)
3,1 --> 2,3
b)
3,2 --> 1,1
c)
3,2 --> 2,4
d)
3,2 --> 2,1
227.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__CH4 + __O2 --> __CO2+ __H2O
a)
2,1 --> 2,1
b)
1,2 --> 1,1
c)
1,2 --> 1,2
d)
1,2 --> 2,1
228.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__AgNO3 + __H2S --> __Ag2S+ __HNO3
a)
2,1 --> 1,2
b)
1,2 --> 1,1
c)
1,2 --> 1,2
d)
1,2 --> 2,1
229.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__H2 + __S --> __H2S
a)
1,1 --> 1
b)
2,2 --> 2
c)
1,2 --> 1
d)
1,2 --> 2
230.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__H2SO3 + __KOH--> __H2O+ __K2SO3
a)
2,1 --> 2,1
b)
1,2 --> 1,1
c)
1,2 --> 1,2
d)
1,2 --> 2,1
231.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__Al + __O2--> __Al2O3
a)
4,1 --> 2
b)
4,3 --> 4
c)
3,4 --> 1
d)
4,3 --> 2
232.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__MnO2 + __HCl --> __MnCl2 + __H2O __Cl2
a)
4,1 --> 2,1,2
b)
1,2 --> 1,1,4
c)
1,4 --> 1,2,1
d)
1,4 --> 2,2,1
233.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__FeCl3 + __Ca(OH)2 --> __Fe(OH)3 + __CaCl2
a)
4,3--> 2,1
b)
3,2 --> 3,1
c)
2,3 --> 2,2
d)
2,3 --> 2,3
234.
A compound consists of 72.2% magnesium(Mg) and 27.8% nitrogen(N) by mass. What is the empirical formula?
a)
Mg4N3
b)
MgN2
c)
Mg3N2 
d)
MgN
235.
Which of the following is considered an empirical formula?
a)

S2O4

b)
C6H12O6
c)
H2O
d)

C2H4

236.
You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements.
a)
SO
b)

SO2

c)

SO3

d)

SO4

237.
Which pair has the same empirical formula?
a)
NaCrO4 and Na2Cr2O7
b)
C2H4O2 and C6H12O6
c)
C3H6O3 and C2H6O2
d)
CH4 and C2H6
238.
A formula with the lowest whole # ratio of elements in a compound is called
a)
Molecular Formula
b)
Chemical Formula
c)
Empirical Formula 
d)
Distance Formula
239.
Glycerol has a molar mass of 92.09g/mol. Its percent composition is: 39.12% C, 8.75% H, and 51.12% O. What is the molecular formula for glycerol?
a)
C2H3O2
b)
CH2O
c)
C2H4O2
d)
C3H8O3
240.

A sample contains 36.95 g of mercury (Hg) and 13.05 g of chlorine (Cl). What is the empirical formula for this compound?

a)

HgCl2

b)

Hg3Cl

c)

Hg17Cl36

d)

HgCl

241.

What is the empirical formula if you have 36.84% nitrogen and 63.16% oxygen?

a)

NO

b)

N2O4

c)

N2O3

d)

N2O5

242.

What is the empirical formula for P2O6?

a)

P2O6

b)

PO

c)

PO3

d)

P3O

243.

What is the molecular formula for a compound with the empirical formula: K2SO4 and a molecular mass of 696g.

a)

K2SO4

b)

K8SO16

c)

K8S4O8

d)

K8S4O16

244.

What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 180.18?

a)

CH2O

b)

C2H4O2

c)

C4H8O4

d)

C6H12O6

245.

Determine the empirical formula of a compound containing 63.50 % silver, 8.25 % nitrogen, and the remainder oxygen.

a)

AgNO3

b)

Ag2NO3

c)

AgNO2

d)

Ag2N2O5

246.

What is the empirical formula for Si2F6?

a)

SiF

b)

Si2F6

c)

SiF3

d)

Si6F2

247.
What is the molecular formula for a compound with the empirical formula: K2SO4 and a molecular mass of 696g.
a)
K2SO4 
b)
K8SO16
c)
K8S4O8 
d)
K8S4O16 
248.
A chemical formula that shows the actual # and kinds of atoms present in one molecule of a compound is called_________
a)
ionic formula
b)
covalent formula
c)
empirical formula
d)
molecular formula
249.

Which of the following could be a molecular formula with the empirical formula of CH2O?

a)

CH2O2

b)

CHO

c)

C3H5O3

d)

C2H4O2

250.

What is the empirical formula of Na2SO4?

a)

Na2SO4

b)

NaSO2

c)

Na2SO2

d)

NaSO8

251.

Match the following

a)

The actual number of atoms in a compound.

1.

MOLECULAR FORMULA definition

b)

The simplest reduced ratio of elements in a compound.

2.

EMPIRICAL FORMULA defintion

c)

N2O4N_2O_4

3.

MOLECULAR FORMULA example

d)

NO2NO_2

4.

EMPIRICAL FORMULA example

252.

MATCH THE EMPIRICAL AND MOLECULAR FORMULAS.

a)

N2O8N_2O_8

b)

NO4NO_4

1
2
1)
2)
253.

A compound is found to be 69.6% iron (Fe) and 30.4% oxygen (O) by mass. What is the empirical formula of the compound?

a)

FeO

b)

Fe2O3

c)

Fe3O4

d)

FeO2

254.
Which one is an empirical formula?
a)
H2O2
b)
C2H6O12
c)
CaCl2
d)
N2O8
255.
What is the empirical formula for C3H8
a)
CH
b)
C3H8
c)
C6H16
d)
CH2.7
256.
A formula with the lowest whole # ratio of elements in a compound is called
a)
Molecular Formula
b)
Chemical Formula
c)
Empirical Formula 
d)
Distance Formula
257.
Which pair has the same empirical formula?
a)
NaCrO4 and Na2Cr2O7
b)
C2H4O2 and C6H12O6
c)
C3H6O3 and C2H6O2
d)
CH4 and C2H6
258.

Which one is the empirical formula?

C4H6

a)

CH

b)

CH3

c)

C2H3

d)

C4H6

259.

Which one is the empirical formula?

Br2O6

a)

BrO3

b)

Br6O2

c)

BrO

d)

Br2O6

260.

Which one is the empirical formula?

C2H4

a)

CH

b)

CH2

c)

C4H2

d)

C2H4

261.

Which one is the empirical formula?

P2O6

a)

P2O6

b)

PO

c)

PO3

d)

P3O

262.

Which one is the empirical formula?

C25H45

a)

C25H45

b)

CH

c)

C5H9

d)

C9H5

263.

Which one is the empirical formula?

Si2F6

a)

SiF

b)

Si2F6

c)

SiF3

d)

Si6F2

264.

Which one is the empirical formula?

P3O4

a)

PO

b)

P3O4

c)

P4O3

265.

Which one is the empirical formula?

C2H6O

a)

CHO

b)

C2H6O

266.

Which one is the empirical formula?

S2O8

a)

S2O8

b)

SO

c)

SO4

d)

S8O2

267.

Which one is the empirical formula?

C2F6

a)

CF

b)

C2F6

c)

C6F2

d)

CF3

268.

Which one is the empirical formula?

N2S3

a)

NS

b)

N3S2

c)

N2S3

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