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WorksheetsBalancing Equations
Total questions: 16
Worksheet time: 9mins
Name
Class
Date
1.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.
2.
What is the little number after an element in a chemical equation called.
Example: H2
Example: H2
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
3.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction.
4.
Is this balanced?...
Fe + S --> FeS
Fe + S --> FeS
a)
YES!
b)
NO!
5.
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
6.
The blue numbers in the image below represent ________
a)
Charges
b)
coefficients
c)
subscripts
d)
none of the answers are correct
7.
Number of C's in 2Na₂CO₃
a)
1
b)
2
c)
3
d)
5
8.
The number of Na's in Na₂CO₃
a)
1
b)
2
c)
3
d)
6
9.
How many Elements are in the compound C2H8O ?
a)
2
b)
1
c)
3
d)
0
10.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
11.
How many Magnesium are in 10MgCl2?
a)
10
b)
5
c)
20
12.
In the chemical equation below, the product is....
Na + Cl ---> NaCl
a)
Na
b)
NaCL
c)
Cl
d)
NaCl
13.
Select all the Reactants
a)
b)
c)
14.
Select all the products
a)
b)
c)
15.
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
16.
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
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