Chemical Equation Practice:
-Identifying subscripts
-Identifying Coefficients
-Counting Atoms
-Identifying Products and Reactants
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Name:__________________________________________________
Name:__________________________________________________
Chemical Equation Practice
Explanation: Read the diagram below and use the information to answer
the practice questions.
Explanation: Read the diagram below and use the information to answer
the practice questions.
6CO2 + 6H2O
Chemical
Chemical Equation Practice
C6H12O6+ 6O2
Yields
formula
Subscript. It tells
Chemical
how many atoms
formula
of an element
Coefficient. It
6CO2 + 6H2O
tells how many
C6H12O6+ 6O2
Subscript. It tells
Yields
how many atoms
of an element
Coefficient. It
tells how many
molecules of a
molecules of a
substance
substance
there are
there are
Practice: Answer each question about the chemical equations below.
Practice: Answer each question about the chemical equations below.
1.
1.
Fe + S
2. H2 + Cl2
FeS What is the chemical formula for Iron?_____
2HCl Circle the subscript(s) in the equation
3. 2Mg + O2
4. O2 + 2H2
2MgO Circle the coefficient(s) in the equation.
2H2O Draw a box around the product(s) and
circle the reactant(s)
5. 2HgO
6. 2Na + O2
Fe + S
2. H2 + Cl2
FeS What is the chemical formula for Iron?_____
2HCl Circle the subscript(s) in the equation
3. 2Mg + O2
4. O2 + 2H2
2MgO Circle the coefficient(s) in the equation.
2H2O Draw a box around the product(s) and
circle the reactant(s)
2Hg + O2
Na2O2 Write down the number of atoms of each
element found in the reactants: Na: _______ O:_______
5. 2HgO
6. 2Na + O2
2Hg + O2
Na2O2 Write down the number of atoms of each
element found in the reactants: Na: _______ O:_______
7. 2Ag2O: Write down the number of atoms: Silver: ____ Oxygen:____
7. 2Ag2O: Write down the number of atoms: Silver: ____ Oxygen:____
8. Which number tells you how many MOLECULES are present?
8. Which number tells you how many MOLECULES are present?
_____________ Which number tells you how many ATOMS are
_____________ Which number tells you how many ATOMS are
present?_____________
present?_____________