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Chapter 7 Review

Total questions: 139

Worksheet time: 2hrs 11mins

Name
Class
Date
1.

What percentage of the total atomic mass of carbon monoxide (CO) is composed of carbon?

(a)  

2.

Magnesium bromide (one magnesium atom with two bromine atoms) has a chemical formula of MgBr2. If you look at the total atomic mass of MgBr2, does magnesium or bromine make up more of the mass?

a)

bromine

b)

magnesium

c)

they are exactly the same

d)

it is impossible to tell

3.

What percentage of the total atomic mass of magnesium bromide (MgBr2) is composed of magnesium?

a)

13%

b)

43%

c)

63%

d)

87%

4.

What percentage of the total atomic mass of lithium phosphide is composed of phosphorus?

a)

13%

b)

29%

c)

40%

d)

60%

5.
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
6.

What id the molar mass of UF6?

a)

101 g/mol

b)

238 g/mol

c)

257 g/mol

d)

352 g/mol

7.

What is the percent by mass of fluorine in CaF2 (gram-formula mass = 78 g/mol)?

(a)  

8.

Find the percent composition of cuprous sulfide?

a)
%Cu= 67.987 %S= 32.013
b)
%Cu= 79.854   %S= 20.145
c)
%Cu= 35.946   %S= 64.054
9.

What is the percentage of OH– in Ca(OH)2?

a)

45.9%

b)

75%

c)

66.6%

d)

90.1%

10.

What answer choice best represents the percentage composition of oxygen in the compound magnesium chlorate?

a)

12.71%

b)

37.08%

c)

50.21%

d)

33.24%

e)

67.33%

11.

What answer choice best represents the percentage composition of beryllium in the compound beryllium cyanide?

a)

14.76%

b)

39.34%

c)

45.88%

d)

63.36%

e)

52.27%

12.

An element sample is 44% Zinc. If the sample has a mass of 5.0 g, what the mass of the Zinc in the sample?

a)

5.0 g

b)

220 g

c)

2.2 g

d)

There is no Zinc

13.
What part of an atom is involved in chemical bonding?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
14.
Where are the non-metals located on the periodic table?
a)
All over
b)
On the left side of the "staircase"
c)
On the right side of the "staircase"
15.
A is a number written to the right of a chemical symbol and slightly below it.
(a)  
Choose from the below words
subscript
coefficient
chemical formula
compound
16.

When naming a compound, which of these is written first?


(a)  
Choose from the below words
Cation
Metal
Nonmetal
Anion
17.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
18.

Which two elements would NOT form an ionic bond?

a)

calcium and lithium

b)

calcium and oxygen

c)

lithium and oxygen

d)

calcium and carbon

19.

LiBr is called


(a)  
Choose from the below words
lithium bromide
lithium bromine
lithium(I) bromine
lithuim(I) bromide
20.

Name the following ionic compound: BeCl2




(a)  

21.

What is the name of the compound Na2(SO4)?

a)

Sodium sulfate

b)

Sodium sulfide

c)

Sodium sulfite

d)

Sodium sulfuroxide

22.

The name of the compound Ca3(PO4)2

(a)  

23.

What is the name of the following compound: NaCl

a)

sodium chloride

b)

sodium(I) chloride

c)

sodium chlorine

d)

sodium(I) chlorine

24.
How do the following two elements bond together?
Cr3+  O2-         
(a)  
Choose from the below words
Cr2O3
CrO
Cr3O2
CrO3
25.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
26.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
27.
What is the correct name for MgI₂?
a)
Manganese IV iodide
b)
Manganese diiodide
c)
Magnesium iodide
d)
Magnesium diiodide
28.

Name for NaH




(a)  

29.

Compounds made from only nonmetals are (a)   compounds.

30.

Match the following prefixes with the correct number

a)

Hexa

1.

6

b)

Hepta

2.

7

c)

Nona

3.

9

d)

Tetra

4.

4

e)

Deca

5.

10

31.

What is the prefix for the number 5 ?

a)

tetra-

b)

penta-

c)

hexa-

d)

hepta-

32.

What is the prefix for the number 8 ?


(a)  
Choose from the below words
octa-
hexa-
hepta-
nona-
33.

Name the following compound: N2O2

a)

Nitrogen oxide

b)

Nitrogen dioxide

c)

Dinitrogen dioxide

d)

Dinitrogen oxide

34.

Name the following compound: SO3

a)

Sulfur trioxide

b)

Sulfur oxide

c)

Trisulfur oxide

d)

Sulfur dioxide

35.

Name the following compound: CO


(a)  
Choose from the below words
Carbon monoxide
Monocarbon monoxide
Carbon oxide
Monocarbon oxide
36.

Name the following compound: H2S

a)

Sulfuric Acid

b)

Hydrosulfuric acid

c)

Dihydrogen sulfide

d)

Dihydrogen monosulfide

37.

Name the following compound: N2O5

a)

Dinitrogen oxide

b)

Dinitrogen pentoxide

c)

Nitrogen pentoxide

d)

Pentanitrogen dioxide

38.

Name the following compound: CF4

a)

Carbon fluoride

b)

Carbon tetrafluoride

c)

Carbon trifluoride

d)

Carbon pentafluoride

39.

What is the chemical formula for Nitrogen monoxide?

a)

CO

b)

NO

c)

N2O

d)

NO2

40.

What is the chemical formula for Dichlorine monoxide?

(a)  

41.

What is the chemical formula for Dioxygen difluoride?

(a)  

42.

What is the chemical formula for Carbon tetrachloride?

a)

CF4

b)

CCl4

c)

C4Cl4

d)

C4Cl

43.

What is the chemical formula for dinitrogen heptachloride?

a)

N2Cl7

b)

2N7Cl

c)

2NCl7

d)

N2Cl5

44.
What is the name of N2O3
a)
Nitrogen trioxide
b)
Dinitrogen oxide
c)
Dinitrogen trioxide
d)
Nitrogen oxide
45.

What is the name of C3Cl8 ?

(a)  

46.

What is the OFFICIAL name for H2O

(a)  

47.
What is a transition metal?
a)
They are elements that charges vary and are represented by roman numerals during nomenclature.
b)
A type of squirrel.
c)
Elements that are not defined as metals or nonmetals.
d)
A metal with no charge.
48.
Where are the transition metals found on the periodic table?
a)
The first 5 elements
b)
The bottom two rows
c)
Group 3-12
d)
Row 3-12
49.
What is one way to recognize a transition metal?
(a)  
Choose from the below words
If it has a roman numeral
it says that it is a transition metal
you cant recognize it
it has 4 elements
50.

Which of the following is not a transition metals?

a)

sodium

b)

chromium

c)

iron

d)

nickel

51.

When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..

a)

atomic number

b)

mass number

c)

charge

d)

ionization energy

52.

Which of the following combinations would need roman numerals in the name?

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

gold + oxygen

53.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
54.
PbS2
(a)  
Choose from the below words
lead IV sulfide
lead sulfide
lead sulfur
lead II sulfide
55.
Name the following compound: FeCl3
a)
iron chloride
b)
iron III chloride
c)
iron chlorate
d)
iron III chlorate
56.
Write the formula for copper (I) phosphide
a)
Cu3P
b)
CuP
c)
Cu1P
d)
CuP3
57.

The name of FeCl₂ is


(a)  
Choose from the below words
iron (II) chloride
iron chloride
iron (I) chloride
iron dichloride
58.

Which of the following is the correct name for Cr2O3?

a)

Chromium oxide

b)

Chromium trioxide

c)

Chromium (II) oxide

d)

Chromium (III) oxide

59.

Which of the following is the correct name for Co2S3?

a)

Cobalt sulfide

b)

Cobalt monosulfide

c)

Cobalt (II) sulfide

d)

Cobalt (III) sulfide

60.

Which of the following is the correct name for NiF2?

a)

Nickel (I) fluoride

b)

Nickel (II) fluoride

c)

Nickel (III) fluoride

d)

Nickel (IV) fluoride

61.

Which of the following is the correct name for HgO?

a)

Mercury oxide

b)

Mercury (I) oxide

c)

Mercury (II) oxide

d)

Mercury (III) oxide

62.

Which picture has a subscript in it?

A
B
C
63.

What is the formula for phosphorous acid?

(a)  

64.

What is the formula for nitric acid?

(a)  

65.

Name this acid with the formula HF

a)

hydrofluoric acid

b)

hypofluoric acid

c)

hydrogen fluorine acid

d)

fluoric acid

66.

What is the formula for hydrochloric acid?

a)

HCl

b)

HClO

c)

H3ClO3

d)

HClO3

67.
What is the formula for perchloric acid?
a)
H3ClO3
b)
H3ClO4
c)
HClO3
d)
HClO4
68.
HBr
a)
hydrogen bromine acid
b)
hydrobromide acid
c)
hydrobromic acid
69.

carbonic acid

(a)  

70.

H3PO4

a)

hydrophsophorus acid

b)

phosphoric acid

c)

hydrogen phosphorous

d)

phosphori hydroxide

71.

Binary acids start with the prefix "____________"

a)

acid

b)

nitric

c)

hydraulic

d)

hydro

72.

When naming binary acids, the ending always changes to:

a)

-ate

b)

-ite

c)

-ic

d)

-ous

73.

When naming oxyacids, change "-ite" to:

a)

-ate

b)

-ic

c)

-ous

d)

-ite

74.

Name this acid: H2SO4

a)

hydrogen sulfate

b)

hydrosulfuric acid

c)

sulfuric acid

d)

sulfurous acid

75.

Name the acid that uses an acetate ion: HC2H3O2

a)

Acetic acid

b)

Acetous acid

c)

Hydrogen Acetate acid

d)

Hydrogen Acetatic acid

76.

Name this acid: HNO2

a)

hydronitrous acid

b)

hydrogen nitrogen oxygen

c)

nitrous acid

d)

hyponitrous acid

77.
Select the formula for the following acid: hydrobromic acid
a)
HBr
b)
HBrO4
c)
HBrO3
78.

What is the name for this acid: HNO2?

a)

hydronitric acid

b)

nitrous acid

c)

nitric acid

d)

nitrate acid

79.
What is the formula for Hydrosulfuric Acid?
a)
H2(SO3)
b)
H2S
c)
H2(SO2)
d)
H2(SO4)
80.

What is the name of HCN?

a)

Hydrogen cyanide acid

b)

Hydrocyanide acid

c)

Hydrocyanic acid

d)

cyanic acid

81.
What is the formula for Chromic Acid?
a)
H3CrO4
b)
H2CrO4
c)
H3Cr2O7
d)
HCrO4
82.

What's the classic name for CuSO4?

a)

Cupric Sulfate

b)

Cuprous Sulfate

c)

Cupric Sulfite

d)

Cuprous Sulfite

83.

Formula for Plumbous oxide

(a)  

84.

What is the correct classic name for Sn2+

a)

plumbous

b)

stannous

c)

Stannic

d)

Plumbic

85.

Iron II is (classic)

(a)  

86.

CN-

(a)  

87.
OH-
a)
hydronium
b)
hydroxide
88.

NO3-

(a)  

89.
SO42-
a)
sulfate
b)
sulfite
90.
PO43-
a)
phosphate
b)
phosphorus oxide
91.
CO32-
a)
carbon oxide
b)
carbonate
92.

ClO3-

(a)  

93.
C2H3O2-
a)
acetate
b)
carbon hydroxide
94.

What is the name of Al(NO3)3?

(a)  

95.
What is the name of Mg(OH)2?
a)
Magnesium Hydride
b)
Magnesium Dihydride
c)
Magnesium Dihydroxide
d)
Magnesium Hydroxide
96.
Ammonium
a)
NH4+
b)
NO3-
c)
NO2-
d)
MnO4-
97.
CN-
a)
cyanide
b)
carbon nitride
98.

OH-

(a)  

99.
NO3-
a)
nitrate
b)
nitrite
100.
SO42-
a)
sulfate
b)
sulfite
101.

PO43-

(a)  

102.
CrO42-
a)
chromium oxide
b)
chromate
103.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
104.
What is the name of Mg(OH)2?
a)
Magnesium Hydride
b)
Magnesium Dihydride
c)
Magnesium Dihydroxide
d)
Magnesium Hydroxide
105.

K2SO4

a)

molecular

b)

empirical

106.

C2O8

a)

molecular

b)

empirical

107.

Mg3O9

a)

molecular

b)

empirical

108.

Cu2O

a)

molecular

b)

empirical

109.

Al4O18

a)

molecular

b)

empirical

110.

C6H12O9

a)

molecular

b)

empirical

111.

What is the empirical formula for:

C2H6O4

a)

CHO

b)

CH2O

c)

CO2

d)

CH3O2

112.

What is the empirical formula for:

C3H18

a)

CHO

b)

CO6

c)

CH2

d)

CH6

113.

What is the empirical formula for:

Mg8Si4O16

a)

MgSiO

b)

Mg2SiO4

c)

Mg4Si2O8

d)

Mg2O

114.

What is the empirical formula for:

Ti6O12

a)

Ti3O6

b)

Ti2O4

c)

TiO2

d)

TiO

115.

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

116.

Given the following: 42.07% Na, 18.89% P, and 39.04% O, determine the empirical formula.

a)

NaPO2

b)

Na2PO3

c)

Na3PO4

d)

NaPO4

117.
Which pair has the same empirical formula?
a)
NaCrO4 and Na2Cr2O7
b)
C2H4O2 and C6H12O6
c)
C3H6O3 and C2H6O2
d)
CH4 and C2H6
118.

A compound consists of 72.2% magnesium and 27.8% nitrogen by mass. What is the empirical formula?

(a)  

119.

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

120.

Which of these is NOT an empirical formula?

a)

CH2

b)

C2H5

c)

C6H4

d)

C3H7

e)

C5H17

121.

A compound is found to be 38.7% Chlorine (Cl, 35.45 g/mol) and the rest oxgyen (O, 16.00 g/mol). What is the empirical formula of this compound?

(a)  

122.
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
123.
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
124.

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

(a)  

125.

What is the empirical formula for the following:

32.40% sodium, 22.5% sulfur; 45.1 % oxygen, 37.75% water?

a)

Na2SO4H6O3

b)

Na2SO4 * 2H2O

c)

Na2SO4 * 3H2O

d)

Na2SO4 * (H2O)

126.

What is the oxidation number of P in a molecule of P4?

(a)  

127.

Give the oxidation number for aluminum in aluminum oxide, Al2O3.

a)

+3

b)

+6

c)

-3

d)

-6

128.

Determine the oxidation number of phosphorus in the molecule H3PO4.

a)

+5

b)

-5

c)

+3

d)

-3

129.

What is the oxidation number of S in SO4 2- ?

a)

-2

b)

+2

c)

+6

d)

-4

130.

What is the oxidation number of N in NO21- ?

a)

-3

b)

+4

c)

-2

d)

+3

131.

What is the oxidation number of Te in the compound K2TeF8 ?

(a)  

132.
What is oxidation number of Mn in MnO2 ?
a)
0
b)
+2
c)
-2
d)
+4
133.

Give the oxidation number for the underlined atoms below.

a)

+4

b)

-4

c)

+2

d)

-2

134.

Give the oxidation number for the underlined atoms below.

a)

-2

b)

+2

c)

+1

d)

-1

135.

Determine the oxidation number of the red underlined element.

NH4+

a)

+3

b)

-1

c)

-3

d)

0

136.

What is the stock name?

(a)  

137.

Copper I is (classic)

(a)  

138.

Plumbic is (stock name)

(a)  

139.

Tin (II) is (classic)

(a)  

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