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Elements compounds and mixtures Chem 102

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

Which of the following is made up of only one type of atom?

a)
Element
b)
Compund
c)
Mixture
2.

Which of the following is made up of two or more types of atoms chemically combined together?

a)
Elements
b)
Compounds
c)
Mixtures
3.

Air is a(n) _________. 

a)
element 
b)
mixture 
c)
compound 
4.
Elements can be broken down into simpler substances. 
a)
false 
b)
true 
5.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
6.

Diagram A is an example of a(n)

a)

Diatomic Element

b)

compound

c)

mixture

d)

Monatomic Element

7.

Diagram B is an example of a(n)

a)

Diatomic element

b)

compound

c)

mixture

d)

Monatomic Element

8.

Diagram C is an example of a(n)

a)

element

b)

compound

c)

mixture

9.
a)
Element
b)
Compound
c)
Mixture
10.
a)

Monatomic Element

b)
Compound
c)
Mixture
d)

Diatomic Element

11.

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

a)

Element

b)

Compound

c)

Mixture

12.
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
13.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
e)

Mixture of Elements and Compounds

14.

What is the correct FORMULA for this particular sample? W=white sphere; B = black sphere

a)

3C

b)

11 B2W

c)

11 BW2

d)

11 BW3

e)

11 C3

15.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
e)

Mixture of Compounds

16.

What is the correct FORMULA for this sample? B=Black sphere; W=White sphere

a)

9W14B

b)

14B + 9W

c)

23 BW

d)

W9 + B14

e)

None of these

17.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements & Compounds
d)
Mixture of Compounds
18.
Classify the picture with the correct label.
a)
Compounds
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements & Compounds
19.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Compounds
d)
Mixture of Elements
20.

Determine the correct formula for this sample. B= Black sphere; W = White sphere

a)

B2W4

b)

2B + 4W

c)

11 B2W4

d)

22B44W

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