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Semester 2 Final review

Total questions: 114

Worksheet time: 6hrs 51mins

Name
Class
Date
1.

Ionic bonding occurs between

a)

Metals and Nonmetals

b)

Just Metals

c)

Just Nonmetals

2.

Metals ______ electrons to become ______

a)

lose, cations

b)

lose, anions

c)

gain, cations

d)

gain, anions

3.

Boron has (a)   valence electrons

4.

How many electrons does Sulfur want to gain?

a)

1

b)

2

c)

6

d)

7

5.

How many electrons does Aluminum want to lose?

a)

1

b)

2

c)

3

d)

5

6.

What is the correct formula for when K and F bond?

a)

KF

b)

K2F

c)

KF2

d)

K2F3

7.

What is the correct formula for when K and S bond?

a)

KS

b)

K2S

c)

KS2

d)

K2S3

8.

What is the correct formula for when Mg and S bond?

a)

MgS

b)

Mg2S

c)

MgS2

d)

Mg2S3

9.

This image shows the bonding between Lithium and Fluorine. What does the red arrow show?

a)

electrons being shared

b)

electrons being transferred to Fluorine

c)

electrons being transferred to Lithium

d)

electrons being destroyed

10.

Which of the following is NOT a step in forming an ionic bond?

a)

One atom shares its electrons with another one

b)

Opposite charged ions form due to the transfer of electrons

c)

One atom gives electrons to another one

d)

Oppositely charged ions attract

11.

An ionic bond is the attraction between: (Select ALL that apply)

a)

oppositely charged ions

b)

similarly charged ions

c)

metals and nonmetals

d)

neutral atoms

e)

cations and anions

12.

Which of the following is the correct formula for these two ions: Al+3 & S-2

a)

AlS3

b)

Al2S3

c)

Al3S2

d)

Al3S

13.

If I had a cation with a charge of 2+ how would you describe the formation of that ion?

a)

gained 2 electrons

b)

lost 2 electrons

c)

gained 4 electrons

d)

lost 4 electrons

14.

If I had an anion with a charge of 3- how would you describe the formation of that ion?

a)

gained 2 electrons

b)

lost 2 electrons

c)

gained 3 electrons

d)

lost 3 electrons

15.

Which of the following is the correct formula for Sodium Nitride ( [ Na ] + & [ N ] 3- )

a)

NaN3

b)

Na3N

c)

Na2N3

d)

Na3N2

16.

Ionic compounds have

a)

high melting points

b)

low melting points

17.

Ionic compounds are

a)

brittle

b)

flexible

18.

Ionic compounds can conduct electricity

a)

always

b)

as long as they are dissolved in water

c)

as long as they are molten (melted)

d)

never

19.
Most atoms have no net charge because they have....
a)
an equal number of charged and non-charged particles
b)
neutrons in their nuclei
c)
an equal number of electrons and protons
d)
an equal number of neutrons and protons
20.
If a you saw the following, K+; what does it tell you about the  the ion.
a)
it has lost one electron 
b)
it has lost one proton 
c)
it has lost two electrons 
d)
it is a negative ion 
21.
In a covalent bond, one or more electrons are? 
a)
shared 
b)
lost 
c)
gained 
d)
transferred 
22.

This type of bonding occurs when atoms share electrons.

a)

chemical

b)

covalent

c)

ionic

d)

metallic

23.

Single bonds are formed when ____ pair(s) of valence electrons are shared.

a)

one

b)

three

c)

two

d)

four

24.

Triple bonds are formed when atoms share _____ pairs of valence electrons.

a)

two

b)

four

c)

three

d)

six

25.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
26.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
27.

Which of the following would react to form an ionic compound

a)

Copper & Zinc

b)

Boron and Carbon

c)

Fluorine and Lithium

d)

Carbon and Bromine

28.

The melting points of covalent molecules are:

a)

very high

b)

high

c)

medium

d)

low

29.

What is Covalent Bonding?

a)

Bonding that is the result of two nonmetals sharing electrons

b)

Bonding between two metals

c)

Bonding that is the result of a nonmetal and a metal exchanging electrons

d)

Bonding between more than two elements

30.

Which of the following is true about Ionic Bonds? (select ALL TRUE options)

a)

High melting point

b)

Low melting point

c)

Can dissolve in water

d)

Cannot dissolve in water

e)

Can conduct electricity

31.

Which of the following is true about Covalent bonds? (select ALL true options)

a)

High melting point

b)

Low melting point

c)

Cannot conduct electricity

d)

Can conduct electricity

32.

Excellent conductors as solid and liquid due to a sea of delocalised electrons.

a)

covalent

b)

metallic

c)

ionic

33.

The particles responsible for chemical bonding are

a)

protons.

b)

cations.

c)

electrons.

d)

valence electrons.

34.
What is the ability of a substance to be rolled or pounded into a thin sheet?
a)
Malleability
b)
Ductility
c)
Conductivity
d)
Solubility
35.
What is the ability of a substance to allow heat, sound, or electricity to flow through it?
a)
Malleability
b)
Ductility
c)
Solubility
d)
Conductivity
36.

Which of these are considered properties of metals? (choose ALL that apply)

a)

brittleness

b)

low melting point

c)

luster (shininess)

d)

malleability

e)

ductility

37.
At room temperature, most metals are
a)
liquid
b)
solid
c)
gas
d)
an alloy
38.
What do metals conduct?
a)
heat
b)
electricity
c)
both
d)
neither
39.

Strontium nitride

a)

SrN

b)

Sr3N2

c)

Sr2N3

d)

N3Sr2

40.

BeI2

a)

Beryllium (II) iodide

b)

Beryllium iodine

c)

Beryllium iodide

d)

Beryllium (I) iodide

41.

Aluminum fluoride

a)

AlF

b)

AlF2

c)

Al3F

d)

AlF3

42.

FePO4

a)

iron phosphite

b)

iron (III) phosphite

c)

iron (III) phosphate

d)

iron (II) phosphite

43.

Nickel (II) hydroxide

a)

NiOH2

b)

NiOH

c)

Ni(OH)2

d)

NiO2

44.

Cr2O3

a)

chromium oxide

b)

chromium hydroxide

c)

chromium (II) oxide

d)

chromium (III) oxide

45.

iron (II) chlorate

a)

Fe2ClO3

b)

FeClO3

c)

Fe(ClO4)2

d)

Fe(ClO3)2

46.

NH4NO3

a)

ammonium nitrite

b)

hydrogen nitrate

c)

ammonium oxide

d)

ammonium nitrate

47.

CuCl

a)

copper chloride

b)

copper (I) chloride

c)

copper (II) chloride

d)

copper (III) chloride

48.
NH4Cl
a)
ammonium chloride
b)
ammonium chlorine
c)
nitrogen hydrogen chloride
d)
nitrogen chloride
49.
When naming an ion containing a transition metal what would be included in the name?
a)
roman numeral
b)
prefix
c)
suffix
d)
superscript
50.
P2O5
a)
Phosphorus Oxide
b)
Pentaphosphorus Dioxide
c)
Diphosphorous pentoxide
d)
Phosphoric Oxygen
51.
Disulfur trioxide
a)
S3O2
b)
SO
c)
S2O3
d)
S2O
52.
SeF4
a)
Tetraselenium fluoride
b)
Selenium Fluoride
c)
Selenium tetraflouride
d)
Selenium (IV) Fluoride
53.

What is the chemical formula for dinitrogen heptachloride?

a)

N2Cl7

b)

2N7Cl

c)

2NCl7

d)

N2Cl5

54.
Octanitrogen tetraoxide
a)
N8O3
b)
N7O3
c)
N8O3
d)
N8O4
55.
Tribromine nonoxide
a)
Br3O9
b)
Br3O10
c)
Br3O6
d)
Br3O4
56.
Select the correct formula for sulfur hexachloride
a)
S2Cl6
b)
S6Cl
c)
SCl6
d)
SF6
57.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
58.
What is the correct structure for BF3?
a)
Option A.
b)
Option B. 
c)
Option C.
d)
Option D.
59.
When writing Lewis Structures, only __________ electrons are used.
a)
Inner shell
b)
Core 
c)
Valence
d)
Stable
60.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
61.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
62.

NH3 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

63.

CCl4 has how many double bonds?

a)

0

b)

1

c)

2

d)

3

64.

In HCN (Carbon is usually the central atom) what kind of bond is between the C and N

a)

Single

b)

Double

c)

Triple

65.
How many electrons does each line indicate are shared?
a)
1
b)
2
c)
3
d)
4
66.

Which of these is the correct Lewis structure for NH3?

a)
b)
c)
d)
67.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
68.
What geometry will this molecular structure have?: H2S
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
69.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
70.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Linear
71.
Choose the correct shape for this molecule:
a)
Bent
b)
Trigonal pyramidal
c)
Trigonal planar
d)
Linear
72.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
73.
Choose the correct shape for this molecule:
a)
Tetrahedral
b)
Trigonal pyramidal
c)
Bent
d)
Trigonal planar
74.

What is the correct shape of CHCl3?

a)

Bent

b)

Trigonal pyramidal

c)

Tetrahedral

d)

Trigonal planar

75.
Choose the correct shape for this molecule:
a)
Bent
b)
Linear
c)
Tetrahedral
d)
Trigonal pyramidal
76.
*
a)
linear
b)
trigonal planar
c)
trigonal pyramid
d)
bent of angular
77.

Matter and mass can not be

a)

Shaken or stirred

b)

Made

c)

created or destroyed

d)

Transferred

78.

Which type of reaction has only one reactant?

a)

synthesis

b)

Double replacement

c)

Chemical reaction

d)

decomposition

79.

4Si + S8 --> 2Si2S4


What type of reaction is this?

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Double displacement

80.

What type of reaction is this?

P4 + 3O2 --> 2P2O3

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Combustion

81.
Which chemical reaction breaks down into 2 substances?
a)
Double Replacement
b)
Single Replacement
c)
Synthesis
d)
Decomposition
82.
A + B = AB
a)
Double Replacement
b)
Synthesis
c)
Combustion
d)
Decomposition
83.
AB + CD = AD + CB
a)
Double Replacement
b)
Single Replacement
c)
Combustion
d)
Decomposition
84.
A + BC = B + AC
a)
Single Replacement
b)
Combustion
c)
Double Replacement
d)
Synthesis
85.
Which chemical reaction takes place when 2 substances react to form a single product?
a)
Decomposition
b)
Double Replacement
c)
Single Replacement
d)
Synthesis
86.
AB = A + B
a)
Decomposition
b)
Single Replacement
c)
Combustion
d)
Synthesis
87.
Fe + H2SO4 --> Fe2(SO4)3 + H2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
88.
The reaction below is an example of?
AgNO3 + NaCl 
→ AgCl + NaNO3
a)
Single Replacement
b)
Double Replacement
c)
Decomposition
d)
Combustion
89.

How many elements are in this chemical formula?

H2SO4H_2SO_4  

a)

1

b)

2

c)

3

d)

4

90.

How many atoms of Carbon are in this formula? C6 H12O6C_{6\ }H_{12}O_6  

a)

6

b)

1

c)

12

91.

Which chemical formula correctly displays 1 atom of nickel and 2 atoms of Fluorine?

a)

niF2

b)

NIF2

c)

Ni1F2

d)

NiF2

92.

The substances that go into a reaction are called the _______.

a)

products

b)

reactants

93.

Which of the following chemical formulas are the reactants?

a)

CH4CH_4

b)

CH4  and  2O2CH_4\ \ and\ \ 2O_2

c)

CO2CO_2

d)

CO2  and 2H2OCO_2\ \ and\ 2H_2O

94.

What coefficients are needed to balance the following chemical equation?

__Zn + __HCl → __ZnCl2 + __H2

a)

1,1,1,1

b)

1,2,1,1

c)

2,1,2,2

d)

2,1,2,1

95.

What coefficients are needed to balance the following chemical equation?

__Fe + __ AgNO3 → __ Ag + __ Fe(NO3)3

a)

1,1,1,1

b)

1,2,1,2

c)

1,3,3,1

d)

3,1,3,1

96.
What coefficient should be used to make the following equation balanced?
N2+O2--> _NO 
a)
1
b)
2
c)
3
d)
4
97.

Which equation is balanced?

a)

PbO2 + 2H2

b)

SO2 + H20 --> H2SO4

c)

2Na + 2H2O --> 2NaOH + H2

98.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
99.

Balance this equation

_Al +_HCl --> _H2 +_AlCl3

a)

2,6,3,2

b)

it's already balanced

c)

4,12,3,4

d)

2,1,4,5

100.

What is the molar mass of NaCl?

a)

49.46 g/mol

b)

58.44 g/mol

c)

152.92 g/mol

d)

161.90 g/mol

101.

What is the molar mass of MgF2?

a)

62.31 g/mol

b)

67.62 g/mol

c)

43.31 g/mol

d)

86.62 g/mol

102.

What is the molar mass of Li2O?

a)

22.94 g/mol

b)

29.88 g/mol

c)

45.88 g/mol

d)

38.94 g/mol

103.

What is the molar mass of Al2O3?

a)

42.98 g/mol

b)

69.96 g/mol

c)

85.96 g/mol

d)

101.96 g/mol

104.

What is the molar mass of Al(NO3)3?

a)

62.01 g/mol

b)

88.99 g/mol

c)

151.00 g/mol

d)

213.01 g/mol

105.

What is the molar mass of SrS?

a)

87.62 g/mol

b)

119.69 g/mol

c)

151.76 g/mol

d)

32.07 g/mol

106.

What is the molar mass of CuBr2?

a)

145.23 g/mol

b)

122.54 g/mol

c)

223.35 g/mol

d)

213.54 g/mol

107.

What is the molar mass of (NH4)2S?

a)

57.18 g/mol

b)

68.17 g/mol

c)

32.07 g/mol

d)

17.04 g/mol

108.
What is the mole used for? 
a)
To measure the amount of grams in a substance
b)
To measure the amount of atoms or molecules in a substance
c)
To measure the amount of energy in a substance
d)
To measure the amount of bonding in a substance 
109.

Select the correct molar ratio taken from this balanced equation:


4 Al + 3 O2 --> 2 Al2O3

a)

1 mol Al = 1 mol Al2O3

b)

4 Al = 2 Al2O3

c)

4 mol Al = 2 mol Al2O3

d)

4 mol Al = 2 mol Al

110.

Select the correct molar ratio taken from this balanced equation:


1 N­2 + 3 H2 --> 2 NH3

a)

1 N­2 = 3 H2

b)

1 mol N­2 = 2 mol NH3

c)

2 mol N­2 = 1 mol NH3

d)

3 mol N­2 = 3 mol NH3

111.

4 Al + 3 O2 --> 2 Al2O3


How many moles of Al2O3 will be produced from 250.0 g of Al?


( 26.982 g Al = 1 mol Al)

a)

18.531 mol Al2O3

b)

4.633 mol Al2O3

c)

6.949 mol Al2O3

d)

12.354 mol Al2O3

112.

Consider the equation 2Al(OH)3 --> Al2O3 + 3H2O. How many moles of Al(OH)3 are needed to produce 15 moles of H2O?

a)

3

b)

27.5

c)

7.5

d)

10

113.

Consider the equation 2Al(OH)3 --> Al2O3 + 3H2O. How many moles of Al2O3 must have been produced if 9 moles of water was produced?

a)

6

b)

3

c)

9

d)

12

114.

Consider the equation CaSO4 + 2LiF --> CaF2 + Li2SO4. How many moles of CaSO4 are needed to produce from 3.97 moles of CaF2?

a)

1.99

b)

.993

c)

7.94

d)

3.97