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Craig Element Molecule Compound Mixture

Total questions: 34

Worksheet time: 18mins

Name
Class
Date
1.

Which is the best example of a pure substance?

a)

pizza

b)

gold

c)

saltwater

d)

air

2.

What kind of substance is composed of two or more elements that are chemically combined?

a)

element

b)

mixture

c)

solution

d)

compound

3.

A substance made from 2 or more different kinds of atoms chemically combined is a(an)...

a)

element

b)

molecule

c)

compound

d)

mixture

4.
What is the smallest unit of matter?
a)
atom
b)
element
c)
molecule
d)
compound
5.
A substance combined physically, but never chemically is a(an)...
a)
element
b)
molecule
c)
compound 
d)
mixture
6.

Identify this particle of matter.

a)

Molecule of an element

b)

Mixture

c)

Molecule of a compound

d)

Atom

7.
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
8.
To change a solid to a liquid, what do you add?
a)
heat
b)
water
c)
cold
d)
mass
9.
What is an atom?
a)
tiny particles that matter is made
b)
melting ice
c)
freezing rain
d)
evaporation
10.
Which state of matter takes the shape of its container?
a)
solid
b)
gas
c)
liquid
11.
Which state of matter has a definite shape?
a)
solid
b)
liquid 
c)
gas
12.
The smallest part of an element is
a)
proton
b)
atom
c)
compound
d)
mixture
13.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
14.
What is salad?
a)
element
b)
compound
c)
mixture
15.
Can a mixture be separated? 
a)
No
b)
Yes
c)
Only sometimes
16.

A pure substance that cannot be broken down into any other substance.

a)

Elements

b)

Compounds

c)

Mixtures

17.

Symbol for an element can be found on the

a)

Periodic Table

b)

Picnic Table

c)

Mixture Table

18.

A(n) ______________ is formed when two or more elements chemically combine.

a)

Compound

b)

Element

c)

Mixture

19.

Cl

a)

Element

b)

Compound

c)

Mixture

20.

A ___________ is a combination of many different elements not chemically combined.

a)

Element

b)

Compound

c)

Mixture

21.

The process of blending the ingredients when making a birthday cake would be an example of a(n)

a)

Element

b)

Compound

c)

Mixture

22.

FeS

a)

Element

b)

Compound

c)

Mixture

23.
Which of the following atomic symbols is written correctly?
a)
ee
b)
hE
c)
C
d)
CL
24.
Which of the following chemical formulas represents a compound? 
a)
C3
b)
O2
c)
CH3CHO
d)
H2
25.
Which statement best describes an element?
a)
made from mixture 
b)
thousands in the world
c)
pure, made of only one atom
d)
can be separated 
26.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
27.
What is the term for combining 2 or more atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
28.
Are these molecules also compounds?
a)
YES
b)
NO
29.
Are these molecules also compounds?
a)
YES
b)
NO
30.
All ____________ are made up of two or more atoms bonded together.
a)
atoms
b)
molecules
c)
electrons
d)
elements
31.
What does this image represent?
a)
Atom
b)
Element
c)
Molecule
d)
Marshmallows
32.
Which of the following atomic symbols is written correctly?
a)
ee
b)
hE
c)
C
d)
CL
33.
What are these?
a)
Molecules
b)
Compounds
34.
What are these?
a)
Compounds
b)
Elements

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