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WorksheetsElements , Compound and Mixtures
Total questions: 15
Worksheet time: 3mins
Name
Class
Date
1.
How many different atoms
are there in a compound?
a)
0
b)
1
c)
2 or more
d)
-1
2.
Which of the following does not describe elements?
a)
All particles are alike
b)
Can be broken down into simpler substances
c)
Have unique sets of properties
d)
Join together to form compounds
3.
What is the chemical formula for water?
a)
NaCl
b)
CO2
c)
NH3
d)
H2O
4.
Example of a homogeneous mixture
a)
sweet tea
b)
pizza
c)
guacamole
d)
helium
5.
The smallest unit of an element that has all the basic properties of the element is called what?
a)
compound
b)
mixture
c)
element
d)
atom
6.
Examples are milk and gasoline.
a)
elements
b)
mixtures
c)
compounds
7.
What is H2SO4
made up of?
made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
8.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
9.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
10.
Contains two or more atoms combined
a)
Elements
b)
Compounds
c)
Mixtures
11.
Contains only one kind of atom.
a)
Element
b)
Compund
c)
Mixture
12.
The air is a _________.
a)
element
b)
mixture
c)
compound
d)
energy
13.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements & Compounds
d)
Mixture of Compounds
14.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
15.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
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