Balancing Chemical Equations

Front

What are the substances listed on the right side of a chemical equation called?

Back

Products

Front

How many oxygen atoms are present in 4Ca(OH)₂?

Back

8

Front

What does CaCO₃ represent in chemistry?

Back

Chemical formula

Front

In the equation 2 Na + __ Cl₂ -> 2 NaCl, what number should go in the blank?

Back

1

Front

What are the substances listed on the left side of a chemical equation called?

Back

Reactants

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What is the purpose of balancing a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate the number of molecules or moles.

Front

What is a subscript in a chemical formula?

Back

A small number written after an element symbol to indicate the number of atoms of that element in a molecule.

Front

What does the arrow in a chemical equation signify?

Back

It indicates the direction of the reaction, separating reactants from products.