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Worksheets

Particle Diagrams

Total questions: 41

Worksheet time: 22mins

Name
Class
Date
1.

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?

a)

I

b)

II

c)

III

d)

IV

2.

Which beaker contains only one type of element?

a)

A

b)

B

c)

C

d)

D

3.

Which beaker contains a compound?

a)

A

b)

B

c)

C

d)

D

4.

Which beaker(s) contain a pure substance? (check all that apply)

a)

A

b)

B

c)

C

d)

D

5.

Which is the best description of one particle of table salt (NaCl)?

a)

mixture

b)

compound

c)

element

6.
Classify the sample
a)
Pure substance
b)
Mixture
7.
Classify the sample
a)
Element
b)
Compound
8.
Classify the sample
a)
Pure Substance
b)
Mixture of Elements
c)
Mixture of Compounds
9.

What is a pure substance made of two or more elements that are chemically combined called?

a)

A. element

b)

B. compound

c)

C. mixture

10.

Classify the Sample.

a)

Pure Substance

b)

Mixture of Elements

c)

Mixture of Compounds

d)

Mixture of Elements and Compounds

11.
Which chemical formula could be represented by this sample?
a)
NaCl
b)
H2
c)
C6H12O6
d)
Cu
12.

Classify the sample. Look carefully.

a)

Pure Substance

b)

Mixture of Elements

c)

Mixture of Compounds

d)

Mixture of Element and Compound

13.

Which of the following formulas represents a compound?

a)

4 He

b)

5 O2 + 3 LiBr

c)

2 MgO

d)

Ag

14.
a)

Element

b)

Compound

c)

Mixture

15.
a)

Element

b)

Compound

c)

Mixture

16.
a)

Element

b)

Compound

c)

Mixture

17.
a)

Element

b)

Compound

c)

Mixture

18.
a)

Compound

b)

Element

c)

Mixture

19.
a)

Mixture

b)

Compound

c)

Element

20.
a)

Mixture

b)

Element

c)

Compound

21.
a)

Element

b)

Compound

c)

Mixture

22.
a)

Element

b)

Compound

c)

Mixture

23.
a)

Compound

b)

Mixture

c)

Element

24.
a)

Element

b)

Compound

c)

Mixture of elements and compounds

d)

Mixture of elements

25.
a)

Element

b)

Compound

c)

MIxture of elements and compounds

d)

Mixture of elements

26.
a)

Elements

b)

Compounds

c)

Mixture of compounds

d)

Mixture of elements

27.
a)

Compound

b)

Mixture of elements and compounds

c)

Mixture of elements

d)

Mixture of compounds

28.
a)

Element

b)

Compound

c)

Mixture of elements

d)

Mixture of compounds

29.
a)

Element

b)

Compound

c)

Mixture of elements

d)

Mixture of compounds

30.
a)

Element

b)

Mixture of elements

c)

Mixture of compound

d)

Compound

31.
a)

Mixture of elements

b)

Mixture of elements and compounds

c)

Mixture of compounds

d)

Compounds

32.
a)

Compounds

b)

Mixture of elements

c)

Mixture of compounds

d)

Mixture of elements and compounds

33.
a)

Elements

b)

Mixture of Elements

c)

Compound

d)

Mixture of Compounds

34.

Select two words that describe this diagram

a)

molecule

b)

element

c)

atom

d)

compound

35.

Select two words that describe this diagram

a)

molecule

b)

element

c)

atom

d)

compound

36.

Select two words that describe this diagram

a)

molecule

b)

element

c)

atom

d)

compound

37.

Select two words that describe this diagram

a)

molecule

b)

element

c)

atom

d)

compound

38.

Select two words that describe this diagram

a)

molecule

b)

element

c)

atom

d)

compound

39.

A substance with two or more different types of atoms bonded together is called...

a)

An element

b)

An atom

c)

A compound

d)

A mixture

40.

The circles represent atoms. Each color is a different type of atom. This image represents:

a)

An element

b)

A mixture

c)

A compound

d)

An atom

41.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

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