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WorksheetsAtoms, Molecules and Compounds
Total questions: 17
Worksheet time: 10mins
Name
Class
Date
1.
Carbon
a)
CA
b)
C
c)
Ca
d)
Cn
2.
Zinc
a)
Z
b)
Zi
c)
ZN
d)
Zn
3.
Helium
a)
He
b)
Hl
c)
HE
d)
Hm
4.
Hydrogen
a)
Hy
b)
H
c)
Hr
d)
Hn
5.
What does this illustrate?
a)
Elements
b)
Compounds
c)
A mixture of elements and compounds
d)
A mixture of compounds
6.
What does this picture show?
a)
Element
b)
Mixture of Compounds
c)
Mixture of elements
d)
Compound
7.
What substance contains only one kind of atom?
a)
Element
b)
Compound
c)
Mixture
8.
What substance is made of two or more atoms chemically bonded together?
a)
Element
b)
Compound
c)
Mixture
9.
The air is a _________.
a)
element
b)
mixture
c)
compound
d)
energy
10.
Elements can be broken down into simpler substances.
a)
false
b)
true
c)
sometimes
11.
What kind of substance is this? Examples are milk and gasoline.
a)
elements
b)
mixtures
c)
compounds
12.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
13.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
14.
diagram "a" is an example of a(n)
a)
element
b)
compound
c)
mixture
15.
diagram "b" is an example of a(n)
a)
element
b)
compound
c)
mixture
16.
diagram "c" is an example of a(n)
a)
element
b)
compound
c)
mixture
17.
diagram "d" is an example of a(n)
a)
element
b)
compound
c)
mixture
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