Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Matter Review

Total questions: 112

Worksheet time: 57mins

Name
Class
Date
1.

How many atoms in the following compound?

8K2CO3

a)

8

b)

48

c)

2

2.

How many molecules in the following compound?

NaCl

a)

2

b)

3

c)

1

3.

How many molecules in the following compound?

5NaCl

a)

1

b)

5

c)

10

4.

How many atoms in the following compound?

7H2O

a)

21

b)

7

c)

14

5.

How many atoms in the following compound?

a)

24

b)

12

c)

1

6.

How many molecules in the following compound?

12CO2

a)

2

b)

36

c)

12

7.

How many atoms of Hydrogen are in H2O

a)

1

b)

2

c)

3

d)

more than 3

8.

How many different elements are present in H2COCH2

a)

5

b)

4

c)

3

d)

2

9.

The ______ are numbers found on the lower right-hand side of an element symbol.

a)

Coefficient

b)

Exponent

c)

Multiplier

d)

Subscript

10.

Coefficients in chemical formulas...

a)

Multiply just the first atom

b)

Add to the subscripts at the end of the molecule

c)

Multiply elements without subscripts

d)

Multiply EVERYTHING!

11.

4CF2Cl2

a)

C = 4, F = 4, Cl = 2

b)

C = 1, F = 8, Cl = 8

c)

C = 4, F = 8, Cl = 8

d)

C = 1, F = 4, Cl = 8

12.

H2SO4

a)

H = 2, S = 4, O = 4

b)

H = 2, S = 1, O = 4

c)

H = 8, S = 4, O = 4

d)

H = 2, SO = 4

13.

A ______ is a number written in front of a chemical formula.

a)

Coefficient

b)

Subscript

c)

Exponent

d)

Coordinator

14.

How many Hydrogen atoms are in 4H2O?

a)

6

b)

8

c)

2

d)

4

15.

How many Sodium atoms are in 6NaCl?

a)

1

b)

12

c)

6

16.

A subscript is the small number below the element symbol that tells the number of _______ of that element.

a)

atoms

b)

valence electrons

c)

protons

d)

elements

17.

How many atoms are present if there is no subscript following the element symbol?

a)

0

b)

2

c)

only 1

d)

1 million

18.

Coefficients tell the number of __________ in a formula.

a)

Molecules

b)

Atoms

c)

Elements

d)

Oxygen

19.

How many Magnesium atoms are in 10MgCl2?

a)

10

b)

5

c)

20

20.

How many atoms are there TOTAL in H2SO4 ?

a)

6

b)

5

c)

7

d)

3

21.

How many elements are in this chemical formula? NaHCO3NaHCO_3  

a)

1

b)

2

c)

3

d)

4

22.

NaCl is the chemical formula for salt. Is NaCl considered a compound or an element?

a)

element

b)

compound

c)

both

d)

neither

23.

What do we call the following molecule?

O2

a)

Molecule

b)

Compound

c)

Diatomic Molecule

24.

Which is a diatomic molecule?

a)

2H2O

b)

2NaCl

c)

C6H12O6

d)

N2

25.

This is the big number before substances that tell you how many of that substance there is

a)

coefficient

b)

subscript

c)

reactant

d)

product

26.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
27.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
28.
How many Oxygen are in H2O?
a)
1
b)
2
c)
0
d)
4
29.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
30.
Two or more atoms chemically bonded together are called a
a)
atom
b)
element
c)
molecule
d)
mixture
31.

Coefficients in chemical formulas...

a)

Multiply just the first atom

b)

Add to the subscripts at the end of the molecule

c)

Multiply elements without subscripts

d)

Multiply EVERYTHING!

32.

The ______ are numbers found on the lower right-hand side of an element symbol.

a)

Coefficient

b)

Exponent

c)

Multiplier

d)

Subscript

33.

A ______ is a number written in front of a chemical formula.

a)

Coefficient

b)

Subscript

c)

Exponent

d)

Coordinator

34.

Coefficients tell the number of __________ in a formula.

a)

Molecules

b)

Atoms

c)

Elements

d)

Oxygen

35.
What chart should you reference to lookup information about elements?
a)
Elemental map
b)
Periodic Table of Elements
c)
Table of atoms
d)
None of the above
36.
Protons and neutrons clump together to form the __________ of an atom.
a)
nucleus
b)
centrosome
c)
outer shell
d)
orbital
37.
This subatomic particle of an atom has a POSITIVE charge.
a)
Electron
b)
Neutron
c)
Proton
d)
Betatron
38.
This subatomic particle of an atom has NO charge.
a)
Electron
b)
Proton
c)
Atom
d)
Neutron
39.
This subatomic particle of an atom has a NEGATIVE charge.
a)
Electron
b)
Proton
c)
Atom
d)
Neutron
40.
Which of these is the simplest atom?
a)
Uranium
b)
Chlorine
c)
Oxygen
d)
Hydrogen
41.
______ is an ELEMENT since it is only made up of one type of atom.
a)
Water
b)
Air
c)
Gold
d)
Salt
42.
Atoms are more than ________ times smaller than the width of a hair.
a)
10
b)
100
c)
1,000
d)
10,000
43.
A molecule is made up of ____ or more atoms.
a)
1
b)
2
c)
3
d)
4
44.
The number of atoms it would take to make a molecule of water.
a)
1
b)
2
c)
3
d)
4
45.

Where are metals located on the Periodic Table?

a)

Left

b)

Right

c)

Zigzag

46.

Horizontal rows on the periodic table are called_________.

a)

Families

b)

Groups

c)

Period

47.

Vertical columns that are grouped with similar properties are called _________.

a)

Families

b)

Periods

48.

Nonmetals are located on the _______.

a)

Left

b)

Right

c)

Zigzag

49.

Metalloids are located on the _______.

a)

Left

b)

Right

c)

Zigzag

50.

Which type of bond is formed between a metal and nonmetal?

a)

Ionic

b)

Covalent

c)

Metallic

51.

What type of bond is formed between two metals?

a)

Ionic

b)

Covalent

c)

Metallic

52.

What type of bond is formed between two nonmetals?

a)

Ionic

b)

Covalent

c)

Metallic

53.

In ionic bonds, electrons are __________ from the metal to the nonmetal.

a)

Shared

b)

Transferred

54.

In a covalent bond, electrons are _________ between the two nonmetals.

a)

Shared

b)

Transferred

55.

In terms of electrons, how does an Ionic Bond differ from a Covalent Bond?

a)

Ionic bonds share electrons while Covalent bonds have electrons transferred

b)

They both share electrons

c)

The electrons in Ionic bonds are transferred from the metal to the nonmetal, while Covalent bonds share electrons

56.

Is H2O Ionic or Covalent?

a)

Ionic

b)

Covalent

57.

Is NaCl Ionic or Covalent?

a)

Ionic

b)

Covalent

58.

Is AlCl3 Ionic or Covalent?

a)

Ionic

b)

Covalent

59.

Is Fe2O3 Ionic or Covalent?

a)

Ionic

b)

Covalent

60.

Is NH3 Ionic or Covalent?

a)

Ionic

b)

Covalent

61.

Is CaSO4 Ionic or Covalent?

a)

Ionic

b)

Covalent

62.

Is CuCl2 Ionic or Covalent?

a)

Ionic

b)

Covalent

63.

Is CO2 Ionic or Covalent?

a)

Ionic

b)

Covalent

64.

What do subscripts represent?

a)

Number of elements present

b)

Number of molecules present

c)

Number of compounds present

d)

Number of atoms present

65.

What do coefficients represent?

a)

What do coefficients represent?

b)

Number of elements present

c)

Number of molecules present

66.

How many Hydrogen atoms are in C4H8O2?

a)

4

b)

2

c)

8

d)

1

67.

How many Sodium atoms are present in NaNO3?

a)

3

b)

2

c)

10

d)

1

68.

How many total atoms are in C3H8O3?

a)

3

b)

8

c)

11

d)

14

69.

How many Iron atoms are in 3Fe2O3?

a)

3

b)

6

c)

9

d)

2

70.

How many Oxygen atoms are present in 3Fe2O3?

a)

3

b)

6

c)

9

d)

2

71.

How many Nitrogen atoms are present in 4N2O?

a)

4

b)

8

c)

2

d)

1

72.

How many Oxygen are present in 4N2O?

a)

4

b)

8

c)

2

d)

1

73.

Which of the following represents a physical property of a nonmetal?

a)

Luster

b)

Brittle

c)

Conductor

d)

High Density

74.

Which is true of metals?

a)

They are always solid at room temperature

b)

They are conductors of electricity

c)

They are located on the right side of the periodic table

d)

They have a high density and malleability

75.

An example of a physical property is ___________

a)

Flammability

b)

Ability to Rust

c)

Acidic

d)

Color

76.

What is NOT a physical property of a piece of paper?

a)

It is white

b)

It burns

c)

It is smooth

d)

It is flat

77.

Color and shape are both ____________

a)

Physical Properties

b)

Chemical Changes

c)

Chemical Properties

d)

Chemical Properties

78.

Magnetism is an example of a __________

a)

Chemical Property

b)

Physical Property

c)

Chemical Change

d)

Physical Change

79.

Which of the following is an example of a chemical property?

a)

Boiling Point

b)

Ductile

c)

Ability to Rust

d)

Brittle

80.

In a chemical equation the products are on the right side of the arrow. Are the products the beginning substances or the ending substances?

a)

beginning

b)

ending

81.

In a chemical equation the reactants are on the left side of the arrow. Are the reactants the beginning substances or the ending substances?

a)

beginning

b)

ending

82.

Andres is a chemist working at a company that makes ink. To make a new kind of ink, Andres mixed two liquid substances together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.

After mixing, Andres found two solid substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?

a)
b)
c)
d)
83.

The diagram above shows the repeating groups of atoms that make up two samples. Both samples are solids at room temperature. Will the other properties of the two samples likely be the same or different? (Examples of properties are smell, color, and the temperature at which a substance melts.)

a)

The other properties will likely be different because there are more repeating groups of atoms in Sample 2.

b)

The other properties will likely be different because the repeating groups of atoms that make up the two samples have different numbers of atoms.

c)

The other properties will likely be the same because the repeating groups of atoms that make up the two samples have the same types of atoms.

d)

The other properties will likely be the same because both samples are solids at room temperature.

84.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
85.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

86.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
87.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
88.
Baking bread and cooking an egg are examples of....?
a)
Endothermic processes
b)
Exothermic processess
c)
None of these 
89.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
90.

What type of reaction occurs in a hand warmer?

a)

exothermic

b)

endothermic

91.

_____ reactions usually feel hot!

a)

endothermic

b)

exothermic

92.

____ reactions usually feel cold.

a)

endothermic

b)

exothermic

93.

Which of the following are examples of an Exothermic Reaction?

a)

Cooking an egg

b)

Plants making sugar through photosynthesis

c)

Dynamite exploding

94.
When iron nails get rusty, heat is released.  What process is this?
a)
Exothermic
b)
Endothermic
95.

What does catalyst do to a reaction?

a)

Slows down the reaction

b)

Nothing changes

c)

Speeds up the reaction

96.

What do you call the energy that is required to start a reaction?

a)

Alternative energy

b)

Activation energy

c)

Atmospheric energy

97.

A combination of substances that can be physically separated from one another

a)

mixtures

b)

compound

c)

element

d)

molecule

98.

A material with a particular chemical makeup

a)

mixture

b)

pure substance

c)

hetogeneous

d)

homogeneous

99.

a substance in which the parts are clearly different shapes and colors; different throughout

a)

mixture

b)

homogeneous

c)

heterogeneous

d)

element

100.

a substance in which all of the parts are the same throughout

a)

homogeneous

b)

element

c)

heterogeneous

d)

pure substance

101.

A characteristic that can be observed (intensive), such as texture, color, odor, melting point, boiling point, density, or measured (extensive) such as mass, length, volume, that is used to describe matter and can be observed or measured without changing its composition

a)

physical property

b)

element

c)

pure substance

d)

chemical property

102.

A characteristic of a substance that is measurable or observable during a chemical reaction; includes pH, heat of combustion, reactivity, etc.

a)

physica property

b)

chemical property

c)

compound

d)

mixture

103.

The nature of something's ingredients or constituents; the way in which a whole or mixture is made up.

a)

composition

b)

element

c)

mixture

d)

compound

104.

A substance that can be dissolved by a solvent to create a solution.

a)

solvent

b)

solute

c)

solution

d)

mixture

105.

A substance that can dissolve a solute when forming a solution.

a)

solute

b)

solution

c)

solvent

d)

mixture

106.

The ability of a substance to be dissolved in a liquid

a)

dissolvent

b)

solubility

c)

combustion

d)

disappearing

107.
sodium
a)
mixture
b)
pure substance
108.
distilled water
a)
mixture
b)
pure substance
109.
soil
a)
mixture
b)
pure substance
110.
coffee
a)
mixture
b)
pure substance
111.
carbon dioxide
a)
mixture
b)
pure substance
112.
cake batter
a)
mixture
b)
pure substance

Similar Resources on Wayground

Grade 7 Revision First semester

113 questions

Grade 7 Revision First semester

quiz

Worksheet

•

7th - 8th Grade

Science: 7th Grade Year Long Review

108 questions

Science: 7th Grade Year Long Review

quiz

Worksheet

•

7th Grade

Astronomy

116 questions

Astronomy

quiz

Worksheet

•

6th - 8th Grade

🤗HW25: 11.16

110 questions

🤗HW25: 11.16

quiz

Worksheet

•

7th Grade

Plate Tectonics & Paleontology Common Assessment Review

113 questions

Plate Tectonics & Paleontology Common Assessment Review

quiz

Worksheet

•

6th - 8th Grade

Alfred Wegener, Tectonic Plates and Topography

110 questions

Alfred Wegener, Tectonic Plates and Topography

quiz

Worksheet

•

5th - 10th Grade

Geography and Human Settlement Adaptations

108 questions

Geography and Human Settlement Adaptations

quiz

Worksheet

•

6th Grade - University

Weather Final Concept Practice

110 questions

Weather Final Concept Practice

quiz

Worksheet

•

6th - 8th Grade