P3 Balancing Chemical Equations

Front

What is the little number after an element in a chemical equation called?

Back

Subscript

Front

What does a subscript represent in a chemical formula?

Back

The amount of each atom in a molecule.

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

How many Sodium (Na) are in 3NaCl?

Back

3

Front

What is the part of the chemical equation that shows the substances formed?

Back

Products

Front

What symbol is used to separate reactants from products in a chemical equation?

Back

Arrow (→)

Front

What do we call the substances that undergo a chemical change?

Back

Reactants

Front

In the equation 2H₂ + O₂ → 2H₂O, what are H₂ and O₂?

Back

Reactants

Front

In the equation 2H₂ + O₂ → 2H₂O, what is H₂O?

Back

Product

Front

What is the purpose of balancing a chemical equation?

Back

To ensure the law of conservation of mass is followed.