Understanding Chemical Equations

Front

What does the arrow in a chemical equation signify?

Back

Direction of the reaction.

Front

What is the correct "inventory" for 3Al₂O₄?

Back

Al = 6, O = 12.

Front

A ___________________ uses chemical formulas, plus signs, and an arrow to represent a chemical reaction.

Back

Chemical equation.

Front

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

Back

Left.

Front

In a chemical equation, where are the reactants located?

Back

On the left side of the arrow.

Front

What are products in a chemical equation?

Back

Substances formed as a result of a chemical reaction, found on the right side of the arrow.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What is the purpose of balancing a chemical equation?

Back

To obey the law of conservation of mass.

Front

What does a coefficient in a chemical equation represent?

Back

The number of molecules or moles of a substance.

Front

What is a subscript in a chemical formula?

Back

A number that indicates the number of atoms of an element in a molecule.