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Worksheets

Chemistry Final Exam Practice

Total questions: 174

Worksheet time: 44hrs 30mins

Name
Class
Date
1.
Name the following ionic compound: MgSO4
a)
magnesium sulfoxide
b)
magnesium sulfide
c)
magnesium sulfate
d)
magnesium oxide
2.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)
lithium III nitrate
c)
lithium nitride
d)
lithium oxide
3.

When naming a compound, what must the last part be?

a)

the element with "ide" at the end

b)

the element with the ending "ite"

c)

the name of the element

d)

the element with "ide" at the end, unless its a polyatomic ion

4.

If I gain electrons I become

a)

Positive because I've added to my atom

b)

negative because I've added electrons

c)

same because i'm balanced

d)

equal because now I have electrons

5.
Metals tend to 
a)
gain electrons
b)
lose electrons
6.

How is an ionic bond formed?

a)

Sharing of electrons

b)

Delocalised electrons

c)

Transfer of electrons

7.
In the chemical formula for an ionic compound, which item is written first?
a)
positive ion
b)
negative ion
c)
subscript
d)
the female
8.
Ca2+ and N3- create...
a)
Ca2N3
b)
Ca3N2
c)
CaN3
d)
Ca2N
9.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
10.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
11.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

12.
Na +  and  S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
13.
Name this compound: 
KF
a)
Potassium fluoride
b)
Potassium fluorite
c)
Fluorine potasside 
d)
Potassium fluorate
14.
Which of these compounds is ionic? 
a)
Carbon dioxide
b)
Dinitrogen Trioxide
c)
Silicon tetrachloride
d)
Lithium bromide
15.

Al2S3

a)

dialuminum trisulfide

b)

aluminum sulfide

c)

aluminum (III) sulfide

d)

aluminum 2 sulfur 3

16.
CsCl
a)
Monocesium monochloride
b)
Cesium monochloride
c)
Cesium Chloride
17.
What is a cation?
a)
positive ion
b)
Neutral atom
c)
Two additional protons
d)
negative ion
18.

Name the compound MgF2

a)

magnesium fluoride

b)

manganese fluoride

c)

magnesium(III) fluoride

d)

magnesium floride

19.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
20.

Name BaO

a)

Barium oxide

b)

beryllium oxide

c)

Boron oxide

d)

Bicarbonate oxide

21.

BO3 is called barium oxide.

a)

true

b)

false

22.

Two or more elements combine to make a new substance with new characteristics. This is called a(n)

a)

element

b)

compound

c)

mixture

d)

empirical formula

23.
Name this compound: 
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
24.

Identify the type of bond: NaCl

a)

Ionic

b)

Covalent

25.

Identify the type of bond: K2O

a)

ionic

b)

covalent

26.
What is the charge on a Hydrogen ion?
a)
+1
b)
1
c)
2
27.
What is the charge on an Aluminium ion?
a)
3
b)
+3
c)
+2
d)
+1
28.
What is the charge on a chloride ion?
a)
-1
b)
1
c)
+2
d)
+1
29.
What is the charge of Neon?
a)
0
b)
+1
c)
-1
d)
1
30.
How many valence electrons does hydrogen have?
a)
1
b)
2
c)
3
d)
4
31.
How many valence electrons does calcium have?
a)
2
b)
4
c)
6
d)
7
32.
When an atom loses an electron, it becomes a:
a)
positive ion
b)
negative ion
c)
neutral ion
d)
neutral atom
33.
Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?
a)
There are 2 bromide ions for every magnesium ion
b)
Bromide has a 2- charge
c)
Bromide has a 2+ charge
d)
There are 2 magnesium ions to every bromide ion
34.
In the chemical formula for an ionic compound, which item is written first?
a)
positive ion
b)
negative ion
c)
subscript
d)
the female
35.
Elements in Group 1 lose one electron to form ions with a _________________ charge.
a)
1+
b)
2+
c)
0
d)
1-
36.
A charged particle that has gained at least one electron is called a(n) _____.
a)
Anion
b)
Cation
c)
Anonion
d)
chemistry cat
37.
Nitrogen will ____ electrons when forming an ionic bond.
a)
gain 1
b)
lose 1
c)
gain 3
d)
lose 3
38.
What will be the compound name of the following chemical formula?
NaCl
a)
Potassium Chloride
b)
Sodium Chloride
c)
Calcium Chloride
d)
Sodium Chlorine
39.
Which is the correct name for CaBr2?
a)
Calcium Bromine
b)
Bromine Calcium
c)
Calcium Bromide
d)
Carbon and Bromine
40.
An electron has what kind of charge?
a)
no charge
b)
positive 
c)
negative
d)
it depends
41.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
42.
Why are ions formed?
a)
To make our lives difficult
b)
Because atoms want 8 valence electrons
c)
Because atoms have the same number of protons and electrons
d)
Because atoms gained neutrons
43.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
44.

What is the ionic symbol and oxidation number for a phosphorus atom?

a)

P-3

b)

P+3

c)

P-2

d)

P+2

45.
How many valence electrons does calcium have?
a)
2
b)
4
c)
6
d)
7
46.

Why are sodium and chlorine attracted to each other?

a)

they have opposite charges

b)

they both have negative charges

c)

they both have positive charges

47.

Valence electrons are found

a)

in the innermost energy level of an atom

b)

in the middle energy levels of an atom

c)

in the outermost energy levels of an atom

48.

Why do all bonds form?

a)

so the number of protons equals the number of electrons

b)

so an atom can become unstable

c)

to fill the outermost energy level

49.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
50.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
51.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
52.
An atom that has gained or lost electrons is called ...
a)
a winner
b)
an isotope
c)
an ion
d)
a loser
53.
Across a period, the number of valence electrons increases from ____ to ____.
a)
Irksome 
b)
Left to Right
c)
High to low
d)
Right to Left
54.

Which element in the picture has the correct electron dot notation?

a)

1

b)

2

c)

3

d)

4

55.

Name the element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

56.

What type of bond is formed between Lithium and Fluorine?

a)

ionic

b)

covalent

57.

What is the charge number of K?

a)

+1

b)

-1

c)

+3

d)

-2

58.

Oliver, Evelyn, and Elijah are on a treasure hunt in their chemistry lab. They stumble upon a mysterious element. They know it's a non-metal and it has 5 valence electrons. Can you help them identify this element?

a)

Nitrogen

b)

Arsenic

c)

Bismuth

d)

Vanadium

59.

Which of these is incorrect?

a)
b)
60.

What is the ionic compound formed between Ca and Br?

a)

CaBr

b)

CaBr2

c)

Ca2Br

d)

Ca2Br2

61.
When naming ionic compounds, the cation is always named first and the anion is always named second.
a)
False
b)
True
62.

What is the correct ionic formula between Mg2+ and PO43–?

a)

Mg3PO2

b)

Mg3(PO4)2

c)

MgPO4

d)

Mg2(PO4)3

63.

What is the correct ionic formula between Fe2+ and OH–?

a)

Fe3OH2

b)

FeOH2

c)

Fe(OH)2

d)

Fe2OH

64.

What is the correct ionic formula between Zn2+ and Cl–?

a)

ZnCl2

b)

Zn2Cl

c)

Zn2Cl2

d)

(ZnCl)2

65.

What is the correct ionic formula between Al3+ and Cl–?

a)

Al3Cl

b)

AlCl3

66.

What is the correct ionic formula between Fe2+ and NO3–?

a)

NaCl

b)

Na-1Cl+1

c)

Na2Cl

67.

What is the correct ionic formula between Mg2+ and O2–?

a)

Mg3O2

b)

MgO2

c)

MgO

d)

Mg2O2

68.

What is the correct ionic formula between Fe3+ and O2–?

a)

Fe3O2

b)

Fe2O3

c)

FeO

d)

FeO3

69.

What is the correct ionic formula between H+ and S2–?

a)

H2S

b)

HS2

70.

What is the correct ionic formula between Pb4+ and O2–?

a)

Pb4O2

b)

Pb2O

c)

PbO2

d)

Pb2O4

71.

What is the correct ionic formula between Ca2+ and N3–?

a)

Ca2N3

b)

Ca3N2

72.
Which of the following is an example of a physical change?
a)
Baking a birthday cake
b)
A glass falling and shattering on the floor
c)
Burning a piece of paper
d)
Baking soda and vinegar mixing together
73.
Which type of change is most often easily reversed?
a)
Chemical
b)
Physical
c)
Both
74.
Identify what’s happening in the picture as a chemical or physical change.
a)
Chemical
b)
Physical
c)
Both
75.
Identify what’s happening in the picture as a chemical or physical change.
a)
Chemical
b)
Physical
c)
Both
76.
Identify what’s happening in the picture as a chemical or physical change.
a)
Chemical
b)
Physical
c)
Both
77.
Drying wet hair is an example of a __________ change.
a)
Chemical
b)
Physical
c)
Both
78.
Why is the below picture an example of a physical change?
a)
The pencil can no longer be used.
b)
The pencil is a different size.
c)
The materials making up the pencil did not change.
d)
The materials making up the pencil are different.
79.
Does the following represent a chemical or physical change?
a)
Chemical
b)
Physical
c)
Both
80.

Which of the following examples represents a physical change?

a)
b)
c)
d)
81.

Which of the following is evidence of a physical change?

a)

new substance

b)

shape change

c)

light produced

d)

gas released

82.

A teacher is demonstrating physical and chemical changes to her class. Which action should they use to demonstrate a chemical change?

a)

Cutting a piece of paper with scissors.

b)

Folding a piece of paper into an airplane.

c)

Ripping a piece of paper with their hands.

d)

Burning a piece of paper with a match.

83.

A physical change is

a)

a change where the characteristics do not change the substance

b)

a change where the characteristics do change the substance

c)

a change where the chemistry changes

84.

What is the definition of chemical change?

a)

any change that results in the formation of one (or more) new chemical substance(s)

b)

changing of only the appearance of the object

c)

matter cannot be created or destroyed, only change form

d)

changes affecting the form of a chemical substance, but not its chemical composition

85.

Which of the following is NOT an indicator of chemical changes?

a)

Unexpected color change

b)

Dissolving

c)

Light production

d)

Gas formation

86.

What reaction has the following general formula:

AB --> A + B

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

87.

What reaction has the following general formula:

A + CD --> C + AD

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

88.

What reaction has the following general formula:

AB + CD --> CB + AD

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

89.

What reaction has the following general formula:

A + B --> AB

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

90.
In a chemical reaction, everything to the right of the arrow is called ______________.
a)
Products
b)
Yields
c)
Molecules
d)
Reactants
91.

What is a combustion reaction?

a)

When chemicals react with fire.

b)

An explosive reaction.

c)

fuel + oxygen --> water + carbon dioxide

d)

fuel + carbon dioxide --> water + oxygen

92.

What type of reaction is this?

a)

a synthesis reaction

b)

a decomposition reaction

c)

a single replacement reaction

d)

a double replacement reaction

e)

a combustion reaction

93.

Which of the following represents a synthesis reaction?

a)

A + B > AB

b)

AB > A + B

c)

A + BC > AB + C

d)

AB + CD > AC + BD

94.

Which of the following is a synthesis reaction?

a)

2H2O > 2H2 + O2

b)

Fe + CuSO4 > FeSO4 + Cu

c)

Cu + SO4 > CuSO4

95.

Which of the following represents a decomposition reaction?

a)

A + B > AB

b)

AB > A + B

c)

A + BC > AB + C

d)

AB + CD > AC + BD

96.

Which of the following is a decomposition reaction?

a)

2H2O > 2H2 + O2

b)

Fe + CuSO4 > FeSO4 + Cu

c)

Cu + SO4 > CuSO4

97.

Which of the following represents a single replacement reaction?

a)

A + B > AB

b)

AB > A + B

c)

A + BC > AB + C

d)

AB + CD > AC + BD

98.

Which of the following is a single replacement reaction?

a)

2H2O > 2H2 + O2

b)

Fe + CuSO4 > FeSO4 + Cu

c)

Cu + SO4 > CuSO4

99.

Which of the following is a double replacement reaction?

a)

NaCl + AgNO3 > NaNO3 + AgCl

b)

Fe + CuSO4 > FeSO4 + Cu

c)

Cu + SO4 > CuSO4

100.

Which of the following is always a reactant in a combustion reaction?

a)

CO2

b)

H2O

c)

O2

d)

Both CO2 + H2O

101.

Which of the following are always a product of a combustion reaction?

a)

CO2

b)

H2O

c)

O2

d)

Both CO2 + H2O

102.
What is decomposition?
a)
putting substances together
b)
breaking substances apart
c)
element replacing another element in a compoud
d)
burning of a subtance
103.
A chemical change in which two or more substances react to form a new substance is a ____________________________.
a)
decomposition reaction
b)
synthesis reaction
c)
double displacement reaction
d)
combustion reaction
104.
What reaction type is characterized by the reactant breaking down as the reaction progresses?
a)
Synthesis
b)
Decomposition
c)
Combustion
d)
Double Replacement
105.
the starting materials in a chemical reaction
a)
Products
b)
Reactants
c)
Starters
d)
Enders
106.
a substance that is formed as the result of a chemical reaction
a)
Product 
b)
Reactant
c)
Starters
d)
Enders
107.
A chemical reaction is...
a)
when a substance is mixed with another substance
b)
when a substance undergoes a change to form a new substance
c)
when a substance is dissolved into another substance
d)
when a substance is heated or exposed to another substance
108.

1. How is a chemical change different from a physical change?

a)

there is no difference

b)

a physical change creates a new substance

c)

a chemical change creates a new substance

109.

You have a large glass of water and you stir salt into it until all the salt completely dissolves. Is this a chemical reaction?

a)

Yes

b)

No

110.

A substance that is formed as the result of a chemical reaction is a __________________

a)

Product

b)

Reactant

c)

Starters

d)

Enders

111.

You have 2 chemicals, CHEMICAL A and CHEMICAL B. They are both liquids. When you combine them you notice some crystals starting to form within them. Did a chemical reaction occur?

a)

Yes

b)

No

112.

Which one shows that a chemical reaction has occurred?

a)

dissolving

b)

melting

c)

formation of a gas

d)

bending

113.

When vinegar and baking soda are combined, bubbles and foam are produced.

What evidence demonstrates that a chemical change has occurred?

a)

A color change occurs.

b)

A gas is formed.

c)

A solid is dissolved.

d)

A precipitate is formed.

114.

The glow stick reaction is a

a)

Chemical change

b)

Physical change

115.
Four students performed four different investigations by combining different substances. Which of the observations is most indicative of a chemical reaction?
a)
investigation 1
b)
investigation 2
c)
investigation 3
d)
investigation 4
116.

Identify the Reactants in this equation.

a)

A

b)

B

117.

What are the reactants in this equation?

a)

Fe2O3 + C

b)

Fe + CO2

c)

The arrow

d)

Fe

118.

In the reaction above water is a ________________.

a)

Reactant

b)

Product

119.
Which of the following is an example that includes evidence of a chemical reaction?
a)
A sample of zinc is placed in water and it settles to the bottom
b)
A solid block of ice is heated and it completely melts into a liquid. 
c)
Sugar that is burned gives off an odor and turns brown and then black.
d)
A tomato is placed into a blender and chopped up into smaller pieces.
120.
a)
2
b)
8
c)
3
d)
13
121.
a)
12
b)
7
c)
8
d)
14
122.

USE THE PERIODIC TABLE

How many valence electrons does carbon (C) have?

a)

4

b)

12

c)

6

d)

14

123.

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

a)

1

b)

2

c)

3

d)

4

124.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus (P) have?

a)

31

b)

5

c)

15

d)

4

125.
Valence electrons are the...
a)
Innermost electrons
b)
Middle electrons
c)
Outermost electrons
d)
Any electrons
126.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false

127.

This is a correct dot diagram for carbon (C)

a)

true

b)

false

128.

This is a correct dot diagram for nitrogen (N)

a)

true

b)

false

129.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

130.
This could be the dot diagram of 
a)
Ne
b)
Si
c)
Al
d)
Be
131.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
132.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
133.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
134.

Which element is this?

a)

Calcium

b)

Chlorine

c)

Silicon

d)

Potassium

135.

Which Bohr model represents Be?

a)
b)
c)
d)
136.
How are electrons arranged in an atom?
a)
In groups of five
b)
In energy levels
c)
By color
d)
By shape
137.
What is the center of the atom called?
a)
Orbital
b)
Nucleus
c)
Proton
d)
Electron shell
138.

which two elements have the same number of valence electrons?

a)

C and O

b)

Cl and F

c)

Ga and Ge

d)

Na and Mg

139.

What is the correct lewis dot diagram for Boron?

a)
b)
c)
d)
140.

The elements F, Cl, and I are all in the same column on the periodic table. Which is the best explanation for this arrangement.

a)

They have the same number of energy levels

b)

They were all discovered at ancient times

c)

They were all gases at room temperature

d)

they have the same number of valence electrons

141.

Which of the following is a property shared by the elements in the carbon family? (Column IV)

a)

The same electron configuration

b)

The number of valence eletrons

c)

An atomic mass of 12

d)

An atomic number of 6

142.

How many electrons can go in the first energy level?

a)

2

b)

8

c)

18

d)

32

143.

How many electrons can go in the Second energy level?

a)

2

b)

8

c)

18

d)

32

144.

What is a Lewis Dot Structure?

a)

It shows all of the particles in the atom.

b)

Contains protons and neutrons

c)

Only shows the element symbol and it's outer most electron shell

d)

Contains protons and electrons

145.

What is the the outermost shell with electrons?

a)

Shells

b)

Isotope

c)

Orbit

d)

Valence

146.

Each column of the Periodic Table are known by this number

a)

Period

b)

Group

c)

Family

d)

Transition Metals

147.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
148.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

149.

What is the ion formed from Sulfur? If it has 6 valence electrons.

a)

S+2

b)

S-2

c)

S+6

d)

S-6

150.

How many electrons would a Calcium ion gain/lose? If it has 2 valence electrons.

a)

lose 1

b)

gain 1

c)

lose 2

d)

gain 2

151.

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

a)

Br-1

b)

Br+1

c)

Br+7

d)

Br-7

152.

An atom with 2 protons, 3 neutrons, and 4 electrons has a charge of ____.

a)

+2

b)

-2

c)

+3

d)

0

153.

If an element has 3 valence electrons, what charge will likely form on its ion ?

a)

+3

b)

+5

c)

-3

d)

-5

154.
Ions are: 
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
155.

Na has 1 valence electron. It will have a charge of _______

a)

+1

b)

+2

c)

-1

d)

-2

156.

Be has 2 valence electron. It will have a charge of _______

a)

+1

b)

+2

c)

-1

d)

-2

157.

Al has 3 valence electron. It will have a charge of _______

a)

+3

b)

-3

c)

+2

d)

-2

158.

P has 5 valence electron. It will have a charge of _______

a)

+3

b)

-3

c)

+2

d)

-2

159.

S has 6 valence electron. It will have a charge of _______

a)

-2

b)

-1

c)

+1

d)

+2

160.

Iodine has 7 valence electron. It will have a charge of _______

a)

-2

b)

-1

c)

+1

d)

+2

161.

F has 7 valence electron. It will have a charge of _______

a)

-2

b)

-1

c)

+1

d)

+2

162.
Name the ion...  P3-
a)

Phosphorous

b)

Phosphide

c)

Phosphorate

d)

Phosphorite 

163.
Br-
a)

bromide

b)

bromine

c)

bromate

d)

bromite

164.

What is the symbol for Oxide?

a)

O-2

b)

HO-

c)

O2-

d)

O

165.

nitride

a)

N-3

b)

NO2-1

c)

NO3-1

166.

Name this ion: Na+

a)

sodium

b)

ammonium

c)

nitrate

d)

potassium

167.

Name this ion: Ag+

a)

sodium

b)

silver

c)

argon

d)

aluminium

168.

Name this ion: H+

a)

hydride

b)

hydrogen

c)

hydroxide

d)

none of these

169.

Name this ion: Cl-

a)

chlorine

b)

chloride

c)

carbonate

d)

calcium

170.

Name this anion:

O2-

(a)  

171.

SPELLING COUNTS

Name this anion:

S2-

(a)  

172.

SPELLING COUNTS

Name this anion:

Br-

(a)  

173.

SPELLING COUNTS

Name this anion:

II -

(a)  

174.

SPELLING COUNTS

Name this anion:

N3-

(a)  

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