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Chemistry Exam Review Fall 2021

Total questions: 65

Worksheet time: 2hrs 10mins

Name
Class
Date
1.
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
2.
What region of the periodic table contains atoms that form covalent bonds?
a)
the left side
b)
the middle
c)
the right side
d)
top left
3.

When two nonmetals do not share electrons evenly, the resulting covalent bond will be

a)

nonpolar

b)

polar

c)

ionic

d)

metallic

4.
Which of the following could form an ionic bond with sulfur?
a)
Oxygen
b)
Iodine
c)
Arsenic
d)
Magnesium
5.

The name for the chemical formula AlCl3

a)

aluminum chlorine

b)

aluminide chloride

c)

aluminum trichloride

d)

aluminum chloride

6.
What is the formula for calcium phosphide?
a)
CaP
b)
Ca2P3
c)
Ca3P2
d)
Ca2P
7.
Which of the following is an ionic compound?
a)
CCl4
b)
CO2
c)
NO2
d)
CuCl2
8.
The compound created from the bond between lithium and oxygen would be called...
a)
Lithium oxate
b)
Lithium oxide
c)
Dilithium oxide
d)
Lithium peroxide
9.
The correct name for the salt with the formula CaI2 is
a)
calcium diodide
b)
calcium iodide
c)
calcium iodine
d)
dicalcium iodine
10.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of neutrons 
c)
The transfer of electrons
d)
None of the above
11.
What do atoms that form positive ions tend to do?
a)
Tend to lose electrons 
b)
Tend to lose protons
c)
Tend to gain electrons
d)
Tend to gain protons
12.

What will be the formula of the following chemical compound name?

Aluminum Chloride

a)

Al3Cl

b)

AlCl

c)

3AlCl

d)

AlCl3

13.

Which of the following is an ionic compound:

a)

CH4

b)

I2

c)

LiBr2

d)

CO

14.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
15.

Name the following ionic compound: NaF

a)

nitrogen fluorine

b)

sodium fluoride

c)

nitrogen fluoride

d)

sodium fluorine

16.
Name the following ionic compound: MgSO4
a)
magnesium sulfoxide
b)
magnesium sulfide
c)
magnesium sulfate
d)
magnesium oxide
17.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)
lithium III nitrate
c)
lithium nitride
d)
lithium oxide
18.
The proper formula for magnesium hydroxide:
a)
MgOH
b)
Mg2OH
c)
Mg(OH)2
d)
Mg2OH2
19.

What is the correct formula for sodium oxide?

a)

NaO

b)

NaO2

c)

Na2O

d)

Na2O2

20.

The correct name for BaSO4 :

a)

barium sulfate

b)

barium sulfite

c)

barium sulfur oxide

d)

barium sulfide

21.

The correct name for NH4Cl:

a)

ammonium chloride

b)

ammonium chlorine

c)

nitrogen hydrogen chloride

d)

nitrogen chloride

22.

The correct name for the balanced formula NaC2H3O2:

a)

sodium carbohydroxide

b)

sodium carbonate

c)

sodium acetate

d)

sodium carbide

23.

The smallest repeating pattern in an ionic crystal.

a)

molecule

b)

formula unit

c)

anion

d)

polyatomic ion

24.

Tightly-bound group of atoms that behaves as a single ion with an overall positive or negative charge.

a)

oxidation state

b)

Roman numeral

c)

monatomic ion

d)

polyatomic ion

25.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Linear
26.
Choose the correct shape for this molecule:
a)
Bent
b)
Trigonal pyramidal
c)
Trigonal planar
d)
Linear
27.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
28.
Choose the correct shape for this molecule:
a)
linear
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
29.
In covalent bonds, electrons are ___________.
a)
transferred
b)
gained
c)
lost
d)
shared
30.

What is the molecular shape of the following?

a)

Hexahedral

b)

Square Pyramid

c)

Octahedral

d)

T-Shape

31.
According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?
a)
Pairs of valence electrons
b)
Inner shell electrons
c)
Mobile Electrons
d)
Electrons closest to the nucleus
32.
What geometry will this molecular structure have?: H2S
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
33.
Phosphorous trichloride
a)
PCl3
b)
P3Cl
c)
P3Cl3
d)
PCL
34.
Bromine monoflouride
a)
Br1F1
b)
BrF
c)
Br2F
d)
BrF2
35.
Disulfur trioxide
a)
S3O2
b)
SO
c)
S2O3
d)
S2O
36.

Use your knowledge and electronegativity sheet to predict what the following compound is classified as.

a)

nonpolar covalent

b)

polar covalent

c)

ionic

d)

metallic

37.
The Law of Conservation of Mass states
a)
that matter exists in all states and reacts the same
b)
that matter can only be changed into new substances by introducing a catalyst
c)
that matter exists in the same state throughout any chemical change
d)
that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants
38.

The blue numbers in the image below represent ________

a)

superscripts

b)

coefficients

c)

subscripts

d)

none of the answers are correct

39.

The red numbers in the image below represent ________

a)

subscripts

b)

coefficients

c)

superscripts

d)

None of the answers are correct

40.

The order of the coefficients to correctly balance the following equation:

__Al + __O2 --> __Al2O3

a)

already balanced

b)

4, 3, 2

c)

2, 1, 2

d)

4, 1, 3

41.
What are the reactants in the chemical equation pictured?
a)
CH4 and CO2
b)
CH4 and O2
c)
CO2 and H2O
d)
O2 and H2O
42.
What are the products of the chemical reaction pictured?
a)
CH4 and CO2
b)
CH4 and O2
c)
CO2 and H2O
d)
O2 and H2O
43.

You know that a chemical reaction has occurred if...

a)

there is a precipitate.

b)

there is a color change.

c)

gas molecules are released.

d)

All of these answers are evidence.

44.
The number of atoms on one side of a chemical equation is equal to
a)
a molecule of a substance
b)
the amount of gas released during a chemical reaction
c)
the number of atoms on the other side of a chemical equation
d)
all of the matter that exists in the universe
45.

When balancing an equation you can only add or adjust:

a)

coefficients

b)

subscripts

c)

parentheses

d)

exponents

46.

Which is a coefficient?

a)

a

b)

b

c)

c

d)

d

47.

Which are the reactants?

a)

b

b)

c

c)

d

d)

e

48.

Which is the yields sign?

a)

d

b)

a

c)

c

d)

b

49.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
50.

Balance this equation...

H2 + Cl2 --> HCl

a)

It is balanced

b)

3H2 + Cl2 --> 6H2Cl

c)

H2 + Cl2 --> 2HCl

d)

unable to balance

51.

Identify this type of reaction,

Cl2 + 2KI --> I2 + 2KCl

a)

Synthesis

b)

Single replacement

c)

Double replacement

d)

Decomposition

52.

Identify this reaction type: 2 C5H5 + Fe --> Fe(C5H5)2

a)

single replacement

b)

double replacement

c)

decomposition

d)

synthesis

53.

Balance this equation: ____ Na3PO4 + ____ KOH ---> ____ NaOH + ____ K3PO4

a)

1,3,3,1

b)

1,3,2,1

c)

2,3,3,1

d)

1,1,3,1

54.

Balance this equation: ____ NaF + ____ Br2 ---> ____ NaBr + ____ F2

a)

3,1,2,1

b)

1,2,3,4

c)

2,1,2,1

d)

1,2,1,2

55.

What coffecients would balance the following chemical equation?

P + O2 → P4O10

a)

1, 1, 1

b)

1, 2, 1

c)

4, 5, 1

d)

3, 2, 4

56.

This equation represents which type of reaction? C6H12 + 9O2 --> 6CO2 + 6H2O

a)

synthesis

b)

single replacement

c)

combustion

d)

decomposition

57.

This equation represents which reaction type? Mg + 2HCl --> MgCl2 + H2

a)

single replacement

b)

double replacement

c)

combustion

d)

synthesis

58.

This equation represents which reaction type? C6H12 + 9O2 --> 6CO2 + 6H2O

a)

synthesis

b)

single replacement

c)

combustion

d)

decomposition

59.

This equation represents which reaction type? C6H12 + 9O2 --> 6CO2 + 6H2O

a)

synthesis

b)

single replacement

c)

combustion

d)

decomposition

60.

This equation represents which reaction type? Si + S8 --> Si2S4

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

61.
What is the name for the solid formed during a reaction?
a)
Precipitate
b)
Rocks
c)
Bubbles
d)
Aqueous 
62.

What is the molecular geometry and resulting polarity of the following Lewis structure?

a)

trigonal planar, nonpolar

b)

linear, polar

c)

trigonal pyramidal, polar

d)

tetrahedral, nonpolar

63.

What is the molecular geometry and resulting polarity for the following Lewis structure?

a)

bent, nonpolar

b)

bent, polar

c)

tetrahedral, nonpolar

d)

linear, polar

64.

What is the molecular geometry and resulting polarity of the following Lewis structure?

a)

bent, polar

b)

tetrahedral, nonpolar

c)

linear, nonpolar

d)

linear, polar

65.

What is the molecular geometry and resulting polarity of the following Lewis structure?

a)

octahedral, polar

b)

trigonal bipyramidal, nonpolar

c)

trigonal bipyramidal, polar

d)

tetrahedral, nonpolar

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