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Worksheets

Mixtures and Compounds

Total questions: 20

Worksheet time: 3mins

Name
Class
Date
1.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
2.

A ______________ is made up of different kinds of atoms chemically combined.

a)

element

b)

compound

c)

mixture

d)

molecule

3.

How many different types of molecules are pictured?

a)

2

b)

3

c)

4

d)

8

4.

What type of substance is pictured?

a)

element

b)

compound

c)

mixture

d)

solution

5.

Matter is anything that has...

a)

weight and volume

b)

mass and density

c)

mass and weight

d)

mass and volume

6.

Matter that is composed of one type of atom is ...

a)

an element

b)

a compound

c)

a molecule

d)

a mixture

7.

Which is a pure substance?

a)
b)
c)
d)
8.

two or more atoms bonded together is...

a)

an element

b)

a big atom

c)

a molecule

d)

a mixture

9.

What is this?

a)

Atoms of an element

b)

Mixture

c)

Compound

d)

Molecules

10.

What is this?

a)

Atoms of an element

b)

Compounds

c)

Molecules of an element

d)

Mixture

11.

This is a

a)

Pure Substance

b)

Molecule

c)

Compound

d)

Mixture

12.

An atom is

a)

the smallest part of an element.

b)

a mixture of molecules.

c)

a compound.

d)

chemically combined with another type of atom.

13.

The difference between a molecule and a compound is that

a)

a molecule is a mixture and a compound is pure.

b)

a molecule is made of two or more different types of atoms and a compound is made of only one type of atom.

c)

a compound is made of two or more different types of atoms.

d)

a compound is an element.

14.

This is

a)

a mixture.

b)

a compound.

c)

a molecule.

d)

an element.

15.

This is

a)

a homogeneous mixture.

b)

a heterogeneous mixture.

c)

a pure substance containing 1 type of molecule.

d)

an element.

16.

This is

a)

a homogeneous mixture.

b)

a heterogeneous mixture.

c)

a pure substance containing 1 type of molecule.

d)

an element.

17.

Which 2 are pure substances? You must choose 2 answers.

a)
b)
c)
d)
18.

This is a

a)

homogeneous mixture.

b)

heterogeneous mixture.

c)

molecule.

d)

compound.

19.

What is this?

a)

A molecule

b)

A compound

c)

A homogeneous mixture

d)

A heterogeneous mixture

20.

What makes steel a homogeneous mixture?

a)

Steel is made of only 1 type of atom.

b)

Steel is made of only 1 type of compound.

c)

Steel is made of a mixture of compounds that are spread unevenly throughout.

d)

Steel is made of a mixture of compounds that are spread evenly throughout.