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WorksheetsCompounds
Total questions: 15
Worksheet time: 38mins
Name
Class
Date
1.
A metal and a nonmetal forms an ______.
a)
ionic compound
b)
covalent compound
c)
metallic compound
d)
element
2.
A nonmetal and a nonmetal forms a ___
a)
ionic compound
b)
covalent compound
c)
metallic compound
d)
element
3.
How many TOTAL atoms are in the compound CaCO3?
a)
3
b)
5
c)
6
d)
4
4.
How many TOTAL atoms are on the compound 2NH3?
a)
5
b)
8
c)
6
d)
4
5.
How many TOTAL atoms are in the compound Ba(NO3)2?
a)
9
b)
7
c)
8
d)
10
6.
How many TOTAL atoms are in the compound 2Al2(SO4)3?
a)
12
b)
34
c)
28
d)
42
7.
Which of the following is an ionic compound?
a)
NaCl
b)
H2O
c)
CF4
d)
NO3
8.
Which of the following is a covalent compound?
a)
H2O
b)
MgF
c)
CaCl2
d)
Li2O
9.
Which of the following is NOT an element?
a)
Co
b)
SO
c)
Mg
d)
H
10.
In the compound 3H2O, the number 2 represents a __.
a)
Subscript
b)
Coefficient
c)
Reactant
d)
Product
11.
In the compound 3 H2O, the 3 represents the ___.
a)
Subscript
b)
Coefficient
c)
Product
d)
Reactant
12.
In the chemical equation
2H2 + O2 --> 2H2O
what does the 2H2 + O2 represent?
2H2 + O2 --> 2H2O
what does the 2H2 + O2 represent?
a)
subscipt
b)
coefficent
c)
Reactant
d)
Product
13.
In the chemical equation
2H2 + O2 --> 2H2O
what does the 2H2O represent?
2H2 + O2 --> 2H2O
what does the 2H2O represent?
a)
subscipt
b)
coefficent
c)
Reactant
d)
Product
14.
In the chemical equation
2H2 + O2 --> 2H2O
what does the arrow (-->) represent?
2H2 + O2 --> 2H2O
what does the arrow (-->) represent?
a)
yields
b)
equals
c)
the product of
d)
the difference between
15.
What equation should be written for the picture above?
a)
Cu2 + 2O --> Cu2O2
b)
2Cu + 2O --> 2CuO
c)
2Cu + O2 -->2CuO
d)
Cu2+ 2O --> 2Cu2O2
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