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Total questions: 176

Worksheet time: 3hrs 13mins

Name
Class
Date
1.
What is the simplest form of matter?
a)
elements
b)
molecules
c)
compounds
d)
particles
2.
When two or more atoms are bonded, we call them _______
a)
elements
b)
molecules
c)
compounds
d)
atoms
3.
Elements that combine with different elements make _______
a)
atoms
b)
elements
c)
compounds
d)
particles
4.
H2 is best described as what?
a)
element
b)
compound
c)
Periodic table
d)
molecule
5.
N2..This is an example of what?
a)
molecule
b)
element
c)
compound
6.
This is an example of what?
a)
compound
b)
molecule
c)
element
d)
compound and molecule
7.
A single atom of gold is best described as a(n): 
a)
compound
b)
molecule
c)
element
8.
Which of the following is NOT  an example of an element?
a)
Ne (Neon)
b)
S (Sulfur)
c)
Fr (Francium)
d)
NaCl (Salt)
9.
A substance made of two or more different elements chemically combined
a)
Elements
b)
Atoms
c)
Compounds
d)
Substances
10.
Which of the following is an example of a compound?
a)
Si (Silicon)
b)
NaCl (Salt)
c)
O (Oxygen)
d)
H (Hydrogen)
11.
They makeup everything around you...
a)
molecules
b)
compounds
c)
elements
d)
protons
12.
Pure substance that can't be broken down into any other substance
a)
Elements
b)
Atoms
c)
Compounds
d)
Molecules
13.
These cannot be broken down normal conditions
a)
elements
b)
molecules
c)
compounds
d)
substances
14.
The Atomic Number is the same as the number of ______
a)
electrons
b)
neutrons
c)
protons
d)
protons and electrons
15.
Atomic Mass - Atomic Number = ???
a)
Number of protons
b)
Number of electrons
c)
Number of neutrons 
d)
Atomic Number
16.
This is an example of what?
a)
element
b)
compound
c)
substance
d)
atom
17.
Contains 2 atoms
a)
elements
b)
molecules
c)
compounds
d)
sustances
18.
Which of the following is an example of a compound?
a)
Table Salt
b)
Hydrogen
c)
Oxygen
d)
Calcium
19.
This is an example of...
a)
molecules
b)
atoms
c)
substance
d)
compound
20.

When two or more elements chemically combine

a)

element

b)

compound

c)

mixture

d)

solution

21.
What is gold?
a)
element
b)
compound
c)
mixture
22.
What is sugar?
a)
element
b)
compound
c)
mixture
23.
What is krypton?
a)
element
b)
compound
c)
mixture
24.
Can be found on the periodic table
a)
Element
b)
Compound
c)
MIxture
25.
What is water?
a)
element
b)
compound
c)
mixture
26.

What is the term for chemically combining 2 or more DIFFERENT atoms together?

a)

atoms

b)

elements

c)

molecules

d)

compounds

27.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
28.
Are these molecules also compounds?
a)
YES
b)
NO
29.
Are these molecules also compounds?
a)
YES
b)
NO
30.
Salt has a chemical formula of NaCl.  Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
31.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
32.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
33.
The blue numbers in the image below are called ___________.
a)
compounds
b)
coefficients
c)
subscripts
d)
chemical formulas
34.
The smallest unit of a compound that still has the properties of that compound is?
a)
an atom
b)
a molecule
c)
a mixture
d)
a substance
35.
Which of the following would be an example of a chemical equation?
a)
C6H12O6
b)
2 H2+ O2 -> 2 H2O
c)
F= ma
d)
H2O
36.
Which of the following would be an example of a chemical formula:
a)
C6H12O6
b)
F= ma
c)
2 H2 + O2 -> 2 H2O
d)
6.02 x 10 23
37.
Examples are water (H2O) and carbon dioxide (CO2).
a)
elements
b)
mixtures
c)
compounds
38.
compounds are chemically bounded together 
a)
False
b)
true
c)
I don't know?
39.
Are there any compounds on the periodic table 
a)
yes there are many 
b)
no because only elements are on the periodic table
c)
I think they are?
40.

How is a compound different from a mixture?

a)

Solids, liquids, and gases can form compounds

b)

Each substance in a compound loses its characteristic properties, and very difficult to seperate.

41.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
42.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
43.
Compounds are made up of two or more atoms physically combined.
a)
True
b)
False
44.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
45.

A molecule is the smallest part compound that retains its properties.

a)

True

b)

False

46.

A molecule can consist of two of the same atoms, such as H2 or O2

a)

True

b)

False

47.

A compound can only be made of the exact same atoms.

a)

True

b)

False

48.

Air is a mixture of several different kinds of molecules.

a)

True

b)

False

49.

The tiniest bit of water that still is water is a molecule of water.

a)

True

b)

False

50.

An oxygen molecule usually has two oxygen atoms.

a)

True

b)

False

51.

Hydrogen is a compound

a)

True

b)

False

52.

The properties of a compound are always the same as the properties of the elements in the compound.

a)

True

b)

False

53.

Carbon dioxide is a compound

a)

True

b)

False

54.

Fleece is a material that can be made from recycled plastic

a)

True

b)

False

55.

Bone cement is made uo on one atom of hydrogen and two atoms of oxygen

a)

True

b)

False

56.

Many new materials are made up of a few kinds of molecules joined together in very long chains

a)

True

b)

False

57.

All water molecules, including ice, are made up on the sane number of atoms.

a)

True

b)

False

58.

A molecule is made up of more than one element

a)

True

b)

False

59.

A chart that classifies matter

a)

atom

b)

element

c)

periodic table

d)

matter

60.

Anything that has mass and takes up space

a)

atom

b)

element

c)

periodic table

d)

matter

61.

A tiny particle of matter

a)

atom

b)

element

c)

periodic table

d)

matter

62.

What is an element?

a)

Two or more atoms joined together.

b)

One of over 100 types of atoms

c)

Two or more different elements joined together.

d)

A particle with no charge found in the nucleus of an atom.

63.

What is a compound?

a)

Two different elements bonded together.

b)

Two of the same elements bonded together.

c)

A mixture of different substances.

d)

Two substances stuck together with glue.

64.
The tiniest bit of water that still is water is a molecule of water.
a)
True
b)
False
65.
An oxygen molecule usually has two oxygen atoms.
a)
True
b)
False
66.
Hydrogen is a compound.
a)
True
b)
False
67.
Carbon dioxide is a compound.
a)
True
b)
False
68.
Salt is an example of a compound.
a)
True
b)
False
69.

Two or more atoms joined together make up a _____.

a)

atom

b)

molecule

c)

solution

70.
A substance that is made up of atoms of more than one element is a _______. 
a)
compound
b)
rust
c)
molecule
71.
The smallest unit of a compound is a ___.
a)
molecule
b)
atom
c)
matter
72.
What is the tiniest particle in the entire universe?
a)
cells
b)
gases
c)
atoms
d)
liquids
73.
What is the picture displayed?
a)
atom
b)
element
c)
molecule/compound
d)
cells
74.

What is the most common medical use of Oxygen?

a)

Farts

b)

Oxygen cylinders

c)

Combustion

d)

Nebulizer

75.

The property of metals by which they can be beaten in to thin sheets is called

a)

Sonority

b)

Malleability

c)

Ductility

d)

None of the above

76.

Metals are

a)

Hard

b)

Lustrous

c)

Sonorous

d)

Non ductile

77.

Which nonmetal is very essential for our life is

a)

Iodine

b)

Oxygen

c)

Nitrogen

d)

Chlorine

78.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
79.

Metals are good conductor of

a)

Only heat

b)

Only electricity

c)

Heat and electricity both

d)

None of the above

80.

The property of metal used for making bells is:

(a)  

81.

Which of the following is not a compound?

a)

HCl

b)

Cl2

c)

NaCl

d)

CO2

82.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
83.
A molecule is
a)
two or more atoms bonded together
b)
one type of atom
c)
smaller than an atom 
d)
an element
84.

How many Oxygen atoms are in H2O?

a)

1

b)

2

c)

0

d)

4

85.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
86.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
87.
(Element or Compound)
       C2H8O 
a)
Element
b)
Letters
c)
Numbers
d)
Compound
88.
What is krypton?
a)
element
b)
compound
c)
mixture
89.
Can be found on the periodic table
a)
Element
b)
Compound
c)
MIxture
90.
What is gold?
a)
element
b)
compound
c)
mixture
91.
What is sugar?
a)
element
b)
compound
c)
mixture
92.
What is water?
a)
element
b)
compound
c)
mixture
93.

This picture represents which of the following?

a)

molecular element

b)

molecular compound

c)

mixture

94.

This picture represents which of the following?

a)

molecular element

b)

molecular compound

c)

element

95.
a)
Element
b)
Molecule
c)
Compound
d)
Mixture
96.
Atoms combine to form _______. 
a)
electrons
b)
molecules
c)
nuclei
d)
neutrons
97.
A compound is...
a)
a substance made up of one type of atom in its molecular form.
b)
a substance formed by the reaction of two or more elements.
c)
a mixture formed by the mixing of two or more elements.
d)
a substance made up of one type of atom in its atomic form.
98.
What defines a mixture?
a)
described by a chemical formula
b)
can be broken down into its basic substances through physical means
c)
created through a chemical reaction
d)
cannot be broken down into simpler substances
99.
The air we breathe contains different individual gases (mostly nitrogen and oxygen). Which of the following correctly describes the air we breathe?
a)
compound
b)
liquid
c)
element
d)
mixture
100.

The smallest part of an element that retains the properties of the element is the

a)

nucleus.

b)

electron

c)

atom

d)

neutron

101.

How are mixtures separated?

a)

Chemical changes

b)

Physical Changes

c)

Chemical Properties

d)

Physical Properties

102.

Which of the following images best depicts the particles of an element?

a)

Picture 1

b)

Picture 2

c)

Picture 3

d)

Picture 4

103.

Structural differences between different chemicals can be represented in models of the particles. Which drawing BEST represents a compound?

a)

Picture A

b)

Picture B

c)

Picture C

d)

Picture D

104.
What is matter?
a)
Volume of an object
b)
Anything that has mass and takes up space
c)
Mass of an object
d)
Space of an object
105.
What are the 3 states of matter?
a)
Water, air, ball
b)
mass, volume, grams
c)
solid, liquid, gas
d)
chair, table, pencil
106.

Which statement best describes the relationship between atoms & molecules.

a)

molecules are made of atoms that are bonded together.

b)

atoms are made of molecules.

c)

atoms are made of protons, neutrons & electrons.

107.
How many carbon atoms (C) are in a CO2 molecule?
a)
1
b)
2
c)
3
d)
0
108.
How many Oxygen atoms (O) are in a  molecule  of CO2
a)
1
b)
2
c)
3
d)
0
109.
How many oxygens atoms ( O )atoms in a molecule of H2O?
a)
1
b)
2
c)
3
d)
0
110.
The small number to the right of an elemental symbol  ( H2) is called?
a)
 a subscript 
b)
a coefficient 
c)
a variable 
d)
a divisor 
111.
 More than two atoms stuck together is called a ...................
a)
element 
b)
molecule 
c)
Chemical property 
d)
Physical property 
112.
When a molecule is made up of more than two different elements ( Example CO2)  we call this .......................
a)
a mixture 
b)
atom
c)
a compound 
113.
A series of numbers and letters that are used to represent a molecule
a)
physcial property 
b)
chemical property 
c)
chemical formula 
d)
atom
114.
TRUE OR FALSE:
Every compound is a molecule but not every molecule is a compound.
a)
TRUE
b)
FALSE
115.
What is the picture displayed?
a)
Atom
b)
Element
c)
Molecule
d)
Compound
116.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
117.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
118.
Are these molecules also compounds?
a)
YES
b)
NO
119.
Are these molecules also compounds?
a)
YES
b)
NO
120.

What is a compound?

a)

Two different elements bonded together.

b)

Two of the same elements bonded together.

c)

A mixture of different substances.

121.

Which of the following is a chemical formula?

a)

H2SO4

b)

Si

c)

Hg

d)

C

122.
Elements are made of 
a)
many types of atoms 
b)
the periodic table
c)
one type of atom 
d)
molecules 
123.
All matter is made of 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
124.
Two or more atoms chemically bonded together are called a
a)
atom
b)
element
c)
molecule
d)
mixture
125.

Which subatomic particles are much smaller than the others and have a negative charge?

a)

protons

b)

neutrons

c)

electrons

126.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
127.
How many Protons are in one atom of Lithium?
a)
3
b)
6
c)
7
d)
6.941
128.

Which colored particle is the electron?

a)

blue

b)

red

c)

yellow

d)

red and yellow

129.

H₂O is a compound molecule.

a)

TRUE

b)

FALSE

130.

O2 is a compound molecule.

a)

TRUE

b)

FALSE

131.

Group of atoms bonded together

a)

Mixture

b)

Compouns

c)

Atom

d)

Molecules

132.

What is the picture displayed?

a)

atom

b)

element molecule

c)

compound molecule

133.
How many Hydrogen atoms are in Water (H2O)
a)
1
b)
2
c)
3
d)
4
134.

How many valence electrons ae in the element Carbon?

a)

2 electrons

b)

6 electrons

c)

4 electrons

d)

None of the above

135.

Are these molecules also compounds?

a)

YES

b)

NO

136.

Which of the following is NOT a compound?

a)

HCl

b)

Cl2

c)

NaCl

d)

CO2

137.

Which of the following represents an element molecule?

a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
138.
Name this compound: H2O
a)
Water
b)
Carbon dioxide
c)
Hydrogen peroxide 
d)
Sulfuric acid
139.

This picture represents which of the following?

a)

elemental molecule

b)

compound molecule

140.
a)

Element

b)

compound molecules

c)

elemental molecules

d)

Mixture

141.

Both elements and compounds are pure substances.

a)

True

b)

False

142.
Contains only one kind of atom.
a)
Element
b)
Compund
c)
Mixture
143.
Contains two or more atoms combined
a)
Elements
b)
Compounds
c)
Mixtures
144.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
145.
Which of the following is an element?
a)
Sugar
b)
Salt
c)
Water
d)
Oxygen
146.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
147.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
148.

Which contains only elements?

a)

A

b)

B

c)

C

d)

D

149.

Which contains only elements (no compounds)? (Choose all)

a)

A

b)

B

c)

C

150.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
151.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
152.
Classify the picture with the correct label.
a)
Compounds
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements & Compounds
153.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements & Compounds
d)
Mixture of Compounds
154.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
155.
Salt has a chemical formula of NaCl.  Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
156.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
157.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
158.
A combination of substances that are not chemically combined is called a(n)____________. 
a)
mixture
b)
compound
c)
physical
159.
_____ small particles that make up most types of matter on Earth.
a)
compounds
b)
atoms
c)
mixtures
d)
elements
160.
What is H2SO4 
 made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
161.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
162.

A periodic table is a table that lists different __________.

a)

compounds

b)

elements

c)

atoms

d)

mixtures

163.

Elements are denoted by ________ and compounds are represented by _________.

a)

chemical symbols & chemical formulae

b)

chemical formulae & chemical symbols

164.

How many atoms are there in a molecule of Aluminium oxide Al2O3Al_2O_3 ?

a)

5

b)

3

c)

2

d)

10

165.

What happens when you mix different metals together?

a)

non metals

b)

metalloids

c)

alloys

d)

solutions

166.

When iron filings and sulfur powder are mixed together at room temperature, which one of the following statements is correct?

a)

The sulphur gets attracted to the magnet

b)

The iron may be separated from the mixture by using a magnet.

c)

A new compound called iron sulphide is formed.

d)

They cannot be separated from each other.

167.

Which of the following metals is commonly used in making jewelry?

a)

Nitrogen

b)

Silver

c)

Potassium

d)

Zinc

168.

Which of the following is composed entirely of a single type of atom?

a)

A single raindrop

b)

A bottle of ketchup

c)

A sparkling sugar crystal

d)

A shiny sheet of aluminum

169.

Which of the following is false about mixtures?

a)

Mixtures are always made up of two or more substances.

b)

It is easy to separate the substances in a mixture.

c)

Mixtures are always in a fixed proportion.

d)

Mixtures are never made up of elements chemically combined.

170.

What are the two elements that make up the compound water?

a)

Oxygen and iron

b)

Hydrogen and nitrogen

c)

Hydrogen and oxygen

d)

Sodium and chlorine

171.

Do you believe that the properties of a compound will be the same as the properties of the elements that make up the compound?

a)

Yes, absolutely!

b)

No way, that's not true!

172.

Which of the following elements behaves like a sneaky liquid at room temperature?

a)

Mercury

b)

Iron

c)

Oxygen

d)

Gold

173.

Which of the following materials is commonly used in window and door frames?

a)

Potassium

b)

Aluminium

c)

Gold

d)

Silver

174.

What do you call a substance formed by mixing two or more substances together without chemically combining them?

a)

A compound

b)

A mixture

c)

A molecule

d)

An atom

175.

Which gas is commonly used to fill party balloons?

a)

Oxygen

b)

Helium

c)

Neon

d)

Nitrogen

176.

Which of the following is an element?

a)

CO2

b)

CO

c)

Ne

d)

H2O

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quiz

Worksheet

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5th Grade