WorksheetsBalancing Chemical Equations
Total questions: 15
Worksheet time: 21mins
Name
Class
Date
1.
The coefficient in 3H2O is
a)
6
b)
5
c)
2
d)
3
2.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
3.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
4.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
5.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
6.
Is the following equation balanced?...
Al + O2 --> 2Al2O3
Al + O2 --> 2Al2O3
a)
Yes!
b)
No!
7.
What is the number before a chemical formula called?
Ex: 2H2 + O2 --> 2H2O
Ex: 2H2 + O2 --> 2H2O
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
8.
(a) AgI + (b) Na2S --> (c) Ag2S + (d) NaI
Choose from the below words
2
1
9.
Is the following equation balanced?
4Fe + 3O2 --> 2Fe2O3
4Fe + 3O2 --> 2Fe2O3
a)
yes
b)
no
10.
Balance this equation
(a) N2 + (b) H2 --> (c) NH3
Choose from the below words
1
3
2
11.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
12.
What is the arrow in a chemical equation...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
13.
How many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O3
a)
2
b)
6
c)
1
d)
4
14.
Organize these options into the right categories
Categorize the following
2 NaBr + 1 Cl2 --> 2 NaCl + 1 Br2
1 H2 + 1 F2 → 1 HF
P4 + 5 O2 → 2 P2O5
4 Al + 3 O2 → 2 Al2O3
2 H2O + 7 F2 → 4 HF + 8 O2
Balanced
Not balanced
15.
Label the parts of an equation
a)
Subscript
b)
Yields
c)
Reactants
d)
Products
e)
Coefficient
1
2
3
4
5
1)
2)
3)
4)
5)
100 %
