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WorksheetsElements vs. Compounds
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
Element or Compound?
H2SO4
H2SO4
a)
Element
b)
Compound
2.
Element or Compound?
Au
Au
a)
Element
b)
Compound
3.
Element or Compound?
As
As
a)
Element
b)
Compound
4.
Element or Compound?
Salt (NaCl)
Salt (NaCl)
a)
Element
b)
Compound
5.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
6.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
7.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
8.
Is this an example of an element or compound?
a)
element
b)
compound
9.
What is the difference between CO and Co?
a)
They are the same.
b)
CO is an element and Co is a compound.
c)
CO is a compound and Co is an element.
10.
Examples are diamonds (C) and Uranium (U)
a)
elements
b)
mixtures
c)
compounds
11.
Pure substances listed on the periodic table that cannot be broken down into any other substances by chemical or physical means
a)
Elements
b)
Compounds
c)
Molecules
d)
Mixtures
12.
All of the following are elements EXCEPT:
a)
carbon
b)
nitrogen
c)
oxygen
d)
water
13.
Element or Compound?
Oxygen
Oxygen
a)
Element
b)
Compound
14.
Which of the following is not a compound?
a)
H2O
b)
C8H18
c)
NaCl
d)
Br
15.
Carbon (C) is considered an element while Carbon Dioxide (CO2) is considered a compound. That is because Carbon Dioxide is -
a)
a gas
b)
made of two elements
c)
given off by plants
d)
useful to us
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