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Worksheetselements, mixtures, and compounds
Total questions: 23
Worksheet time: 22mins
Name
Class
Date
1.
compounds are chemically bounded together
a)
False
b)
true
c)
I don't know?
2.
Can an element be broken down into a simpler substance
a)
yes
b)
No
3.
Are there any compounds on the periodic table
a)
yes there are many
b)
no because only elements are on the periodic table
c)
I think they are?
4.
Which one has more than one type of atom in it
a)
Element
b)
Compound
5.
which one only has one type of atom In it.
a)
Element
b)
compound
6.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
7.
a)
1
b)
2
c)
3
d)
4
8.
a)
1
b)
2
c)
3
d)
4
9.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
10.
Which of the following an element?
a)
Carbonic Acid
b)
Copper
c)
Iron and Copper
d)
Water
11.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
12.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
13.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
14.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
15.
Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
16.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
17.
How is a compound different from a mixture?
a)
Solids, liquids, and gases can form compounds
b)
Each substance in a compound loses its characteristic properties
18.
Mixtures are separated through ___________changes.
a)
mixture
b)
compound
c)
physical
19.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
20.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
21.
Salt has a chemical formula of NaCl. Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
22.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
23.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
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