MS Physical Science: 5.3 Chemical Equations

Multiple Choice

How many atoms of sulfur are in each molecule of H₂SO₄?

• 1

• 4

• 2

• 7

Multiple Choice

Reactants are found on the _______________ side of the arrow in a chemical equation.

• Right

• Left

Multiple Choice

Products are found on the _______________ side of the arrow in a chemical equation.

• Right

• Left

Multiple Choice

What is the coefficient in the formula?

• 2

• N

• H

• 3

Multiple Choice

What is the subscript in the formula?

• 2

• N

• H

• 3

Multiple Choice

Is this equation balanced?

• Yes, everything appears the same amount on each side.

• No, there are too many oxygen on the left side.

Multiple Choice

How many atoms of aluminum are on each side of the following equation:

4Al + 3O₂ --> 2Al₂ O₃

• 2

• 6

• 1

• 4