Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chemistry Fall Exam Review

Total questions: 100

Worksheet time: 3hrs 13mins

Name
Class
Date
1.

The basic unit of matter is

a)

a mixture

b)

a molecule

c)

an atom

d)

a compound

2.

Which is NOT a form of matter?

a)

air

b)

light

c)

both

d)

neither

3.
Which of these is a pure substance?
a)
bread
b)
table salt
c)
garden soil
d)
sea water
4.

A mixture that appears to be evenly mixed is

a)

an atom

b)

a compound

c)

homogeneous

d)

heterogeneous

5.

This picture represents which of the following?

a)

Element

b)

Compound

c)

Mixture

d)

Molecule

6.

This picture represents which of the following?

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

7.

An aluminum pie plate is an example of a(n)

a)

mixture of solids

b)

mixture of liquids

c)

element

d)

compound

8.

The picture is an example of

a)

compound

b)

element

c)

mix of compounds

d)

mix of elements

e)

mix of elements & comounds

9.

This picture represents which of the following?

a)

an element

b)

a compound

c)

mixture of elements

d)

mixture of compounds

10.

NaHCO3 is an example of

a)

a homogeneous mixture

b)

a heterogeneous mixture

c)

a compound

d)

an element

11.

Which of these substances is an example of a heterogeneous mixture?

a)

milk

b)

sweet tea

c)

mercury

d)

concrete

12.
What is an example of an element?
a)
Oxygen
b)
Pure water
c)
Air
d)
Table salt
13.
Italian Salad Dressing is a . . .
a)
heterogeneous mixture
b)
homogeneous mixture
c)
Pure Substance
d)
Compound
14.
Classify the picture with the correct label.
a)
Compounds
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements & Compounds
15.

How many elements are represented in the compound?

Na2CO3?

a)

1

b)

2

c)

3

d)

4

16.
The blue numbers in the image below are called ___________.
a)
compounds
b)
coefficients
c)
subscripts
d)
chemical formulas
17.
What is the definition of a compound?
a)
The smallest part of any substance which can exist on its own
b)
Two or more atoms chemically joined together (can be the same or can be different)
c)
A simple substance in which all the atoms are identical
d)
Two or more different elements chemically joined together
18.

Which one of the following would you use to separate sand from iron filings?

a)

a bar magnet

b)

filter paper

c)

density

d)

distillation

19.

Which of the following models best demonstrates a balanced chemical equation?

a)

F

b)

G

c)

H

d)

J

20.
For an investigation a student poured a blue solution of CuSO4 into a beaker. The student placed a shiny, silver-colored strip of zinc metal in the solution and observed the changes.
The student inferred that a chemical reaction occurred. What evidence supports this inference?
a)
A dark solid formed on the zinc metal.
b)

The zinc metal remained silver-colored and shiny
c)
The CuSO4 solution turned blue when the zinc metal was added.
d)
None of these
21.
The amount of mass in a specific volume
a)
density
b)
weight
c)
matter
d)
state
22.
Boiling point,melting point, and density are some of an element's
a)
pure properties
b)
physical properties
c)
chemical properties
23.
Which of these is an example of a chemical property?
a)
density
b)
melting point
c)
ductility
d)
flammability
24.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
25.
Salt dissolves in water
a)
Physical change
b)
Chemical change
26.
A piece of copper is cut in half
a)
physical change
b)
chemical change
27.
iron rusts.
a)
physical change
b)
chemical change
28.

Which of these processes describes a nuclear fusion reaction?

a)

A nucleus absorbs energy to produce lighter nuclei.

b)

A nucleus splits to produce energy and lighter nuclei

c)

Two nuclei bind together to produce energy and heavier nuclei.

d)

Two nuclei bind together to produce energy and a lighter nuclei.

29.
What is emitted during Alpha Radiation?
a)
A helium nuclei.
b)
A helium atom
c)
Gamma Rays.
d)
Positrons
30.
When does radioactive decay occur?
a)
When the nucleus of an isotope is unstable
b)
When the nucleus of an isotope is stable
c)
When the electrons of an isotope are spinning
d)
When the electrons of an isotope are shared with another isotope
31.
Isotopes of the same element have different ____________. 
a)
 numbers of protons  
b)
numbers of electrons
c)
 symbols 
d)
numbers of neutrons
32.
This is an example of...
a)
Fission  reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Decay
33.
What is the mass of an alpha particle?
a)
1
b)
2
c)
3
d)
4
34.

What is the number of neutrons in Cesium?

a)

55 neutrons

b)

76 neutrons

c)

84 neutrons

d)

106 neutrons

e)

139 neutrons

35.

When the isotope 5024X releases an alpha particle we get another element Y that looks like

a)

5022Y

b)

4622Y

c)

4820Y

d)

5426Y

36.
The half life of Thorium-234 is 24 days. What fraction of the element remains after 96 days
a)
1/2
b)
1/4
c)
1/8
d)
1/16
37.

How can radon enter your home?

a)

Through the water supply

b)

Through cracks in walls

c)

Through the air conditioning system

d)

Through the roof

38.

What are the two main sources of radon in your home's indoor air?

a)

Soil and plants

b)

Air and water

c)

Water and soil

d)

Water and plants

39.

What is the main risk from radon in your water supply?

a)

Ingestion risk

b)

Skin contact risk

c)

Inhalation risk

d)

Eye irritation risk

40.

What is the main health risk associated with radon?

a)

Lung cancer

b)

Skin cancer

c)

Brain cancer

d)

Stomach cancer

41.

What type of decay occurs in all isotopes whose neutron:proton ratio is too low (not enough neutrons)?

a)

alpha

b)

beta

c)

gamma

d)

positron emission

42.

What type of decay occurs in nuclides whose neutron:proton ratio is too high (too many neutrons)?

a)

alpha

b)

beta

c)

gamma

d)

positron emission

43.

What kind of decay would zinc-50 most likely go through?

a)

alpha decay

b)

beta decay

c)

positron emission or electron capture

d)

It would be stable and would not decay.

44.

What kind of decay would neon-25 most likely go through?

a)

alpha decay

b)

beta decay

c)

positron emission or electron capture

d)

It would be stable and would not decay.

45.

Choose the correct shorthand configuration for iodine.

a)

[Ar]4s24d104p5

b)

[Kr]5s24d105p5

c)

[Xe]5s25d105p5

d)

none of the above

46.

Each row on the periodic table represents:

a)

an energy level

b)

a sublevel

c)

an electron

d)

an orbital

47.

To write a shorthand configuration for element "A." You put your pencil on element A and go _______ and to the _______ on the periodic table.

a)

up a row; far left

b)

down a row; far right

c)

up a row; far right

d)

down a row; far left

48.

For the following electron configuration piece "4p3," the 4 represents the _________.

a)

energy

b)

shape

c)

number of electrons

d)

spin

49.

For the following electron configuration piece "4p3," the 3 represents the _________.

a)

energy

b)

shape

c)

number of electrons

d)

spin

50.

For the following electron configuration piece "4p3," the "p" represents the _________.

a)

energy

b)

shape

c)

number of electrons

d)

spin

51.

Whose rule is also known as the empty bus seat rule?

a)

Aufbau

b)

Bohr

c)

Hund

d)

Pauli

e)

Einstein

52.

Whose rule states that the lowest energy bus seat should be filled first?

a)

Aufbau

b)

Bohr

c)

Hund

d)

Pauli

e)

Einstein

53.

Whose rule states that if two people must room together that they must spin opposite directions?

a)

Aufbau

b)

Bohr

c)

Hund

d)

Pauli

e)

Einstein

54.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
55.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
56.

Which rule is broken?

a)

Aufbau

b)

Hund

c)

Pauli

d)

None

57.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
58.

Which principle is broken in the picture?

a)

Aufbau

b)

Hund

c)

Pauli

d)

None

59.

The 5th period D block on the periodict table fills the _________.

a)

3d

b)

4d

c)

5d

d)

6d

60.
For an electron to change from ground state to an excited stated it must...
a)
Absorb energy
b)
Release energy
61.

What is the light that you can see called?

a)

observatory light

b)

ultraviolet light

c)

visible light

d)

infrared light

62.
Why are line emission spectra of elements called "atomic fingerprints"?
a)
They are all the same
b)
They are all unique
c)
They are all similar
d)
They all contain colored light
63.

All stars are composed of a mixture of elements. When these elements are heated they emit specific amounts of electromagnetic radiation, known as an emission spectrum. Each element emits a unique, identifiable, spectrum.


Using the Bright-line emission spectrum chart below, identify the elements present in this modeled star (found in the line labeled “mixture”).

a)

Lithium and cadmium are in the mixture. Strontium is not in the mixture.

b)

Lithium and strontium are in the mixture. Cadmium is not in the mixture

c)

Cadmium and strontium are in the mixture. Lithium is not in the mixture

d)

All of the shown elements are present in the mixture.

64.
a)
Poison
b)
Bio Hazard
c)
Environmental Hazard
d)
Not Drinking Water
65.

If you see this pictogram on a bottle it means that you are dealing with a chemical that is:

a)

Explosive

b)

Flammable

c)

Corrosive

d)

Acts like hair gell.

66.

If you see this pictogram on a bottle it means that you are dealing with a chemical that is:

a)

Explosive

b)

Flammable

c)

Irritant

d)

Acutely Toxic (lethal)

67.

What does this symbol indicate?

a)

If you smell this chemical your heart will explode

b)

Don't eat this, it causes acid reflux.

c)

This chemical is a human health hazard

d)

Exposure to this chemical will steal your soul.

68.

What does the blue color on the NFPA diamond stand for?

a)

Special Information

b)

Health Hazard

c)

Flammability Hazard

d)

Reactivity Hazard

69.

What is correct about this image?

a)

Deadly

b)

Extremely Flamable

c)

Extremely Volatile

d)

Reacts with water

70.

What are valence electrons?

a)

The total number of electrons in an atom

b)

The number of electrons in the outermost shell

c)

The number of electrons in the second shell

d)

The number of protons in the outermost shell

71.
How many valence electrons are found in atoms of group 1?
a)
7
b)
6
c)
4
d)
1
72.
This could be the dot diagram of 
a)
Ne
b)
Si
c)
Al
d)
Be
73.

How many valence electrons does Selenium (Se) have?

a)

6

b)

16

c)

79

d)

34

74.

Which of the following is a correct electron dot structure?

a)
b)
c)
d)
75.

What is the name of CuCl2?

a)

copper (II) chloride

b)

copper chloride

c)

copper (I) chlorite

d)

copper (I) chloride

e)

copper (II) chlorite

76.

What is the formula for aluminum hypochlorite?

a)

AlCl3

b)

AlClO

c)

AlClO3

d)

Al(ClO)3

e)

Al3ClO

77.

What is Ca3N2 called?

a)

calcium nitride

b)

calcium (II) nitride

c)

calcium nitrogen

d)

calcium (III) nitride

78.

Roman numerals tell you the ____ of the _______ cation(s) in an ionic compound.

a)

number; metal

b)

number; nonmetal

c)

charge; metal

d)

charge; nonmetal

79.

What holds an ionic compound together?

a)

Like charges attract

b)

Opposite charges attract

c)

Opposite charges repel

d)

sharing of valence electrons

80.

A polyatomic ion is _________.

a)

a groups of atoms that have a charge.

b)

a group of atoms that are neutral.

c)

the charged ion Pa1+

d)

the neutral atom Pa

81.

What is the charge of manganese in MnO3?

a)

+1

b)

+2

c)

+3

d)

+6

e)

None of the Above

82.

Ionic bonds form between...

a)

a metal & nonmetal

b)

metals only

c)

nonmetals only

83.

What is the name of Li2SO4?

a)

Lithium sulfide

b)

Lithium sulfur oxide

c)

Lithium sulfate

d)

Lithium sulfite

84.

Which is the proper order for writing an ionic formula?

a)

cation then anion (no changes)

b)

cation then anion (-ide ending)

c)

cation (-ide ending) then anion

d)

anion then cation (no changes)

85.

What does the octet rule mean?

a)

Elements are unstable when they have 8 valence electrons

b)

Elements become stable when they have 8 valence electrons.

c)

Elements become stable when they lose 8 valence electrons.

d)

Elements become stable when they gain 8 valence electrons.

86.

What is the formula for arsenous acid?

a)

H3AsO3

b)

HAsO3

c)

HAsO

d)

H3AsO

e)

HAsO

87.
What is the formula for Hydrosulfuric Acid?
a)

H2SO3

b)
H2S
c)

H2SO

d)

H2SO4

e)

HS2

88.
Name HF
a)
hydrofluoric acid
b)
Hypofluoric acid
c)

fluorous acid

d)
fluoric acid
89.

Write the formula for chloric acid.

a)
HClO3
b)
HCl
c)
HClO4
d)

HClO2

90.

When naming oxyacids, change "-ite" to:

a)

-ate

b)

-ic

c)

-ous

d)

-ite

91.

When naming oxyacids, change "-ate" to:

a)

-ate

b)

-ic

c)

-ous

d)

-ite

92.

Any molecule with only two atoms will have a ________ shape.

a)

linear

b)

bent

c)

tetrahedral

d)

trigonal planar

93.

Which of the following is the best representation of a molecule of fluorine (F2)?

a)

A

b)

B

c)

C

d)

D

94.

What two types of atoms make a covalent (sharing) bond?

a)
2 Nonmetals
b)
1 Nonmetal & 1 Metal
c)
2 Metals
d)
2 Noble Gases
95.

How many electron dots should be in P2O3?

a)

5

b)

12

c)

20

d)

28

96.

Which of the following is the correct LD Diagram for Hydrogen Cyanide, HCN?

a)

A

b)

B

c)

C

d)

D

97.

What shape is CH2O?

a)

Linear

b)

Bent

c)

Trigonal planar

d)

Trigonal pyramid

98.

What is the shape of NH3?

a)

Bent

b)

Trigonal planar

c)

Trigonal pyramid

d)

Tetrahedral

99.

Name its VSEPR shape.

a)

seesaw

b)

T-shape

c)

Square Pyramid

d)

Trigonal Bypyramid

100.

Which of the following is the correct electron dot structure for nitrogen?

a)
b)
c)
d)

Similar Resources on Wayground

Física i química 3r. Final de curs

100 questions

Física i química 3r. Final de curs

quiz

Worksheet

•

9th Grade

Gas Law Review

102 questions

Gas Law Review

quiz

Worksheet

•

10th Grade

Energy in Chemical Changes Super Review

100 questions

Energy in Chemical Changes Super Review

quiz

Worksheet

•

8th Grade - University

Chemistry Review

95 questions

Chemistry Review

quiz

Worksheet

•

9th Grade

10175252_Quizizz_Kimia_10

101 questions

10175252_Quizizz_Kimia_10

quiz

Worksheet

•

10th Grade

Final Review

100 questions

Final Review

quiz

Worksheet

•

9th Grade

Chapter 5 Review: Electron Configurations

95 questions

Chapter 5 Review: Electron Configurations

quiz

Worksheet

•

10th Grade

Matter and Change

100 questions

Matter and Change

quiz

Worksheet

•

9th - 12th Grade