Front

Balance the equation: H₂ + Cl₂ ---> ?

Back

H₂ + Cl₂ ---> 2HCl

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What is the number before a chemical formula called?

Back

Coefficient

Front

How many Oxygen atoms are in 2SO₄?

Back

8

Front

Why must a chemical equation be balanced?

Back

A balanced equation shows the Law of Conservation of Mass.

Front

What is the right part of a chemical equation called?

Back

Products

Front

What does a coefficient in a chemical equation indicate?

Back

The number of molecules or moles of a substance.

Front

What is the purpose of balancing chemical equations?

Back

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

Front

What is a subscript in a chemical formula?

Back

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

Front

What is the Law of Conservation of Mass?

Back

Matter cannot be created or destroyed in a chemical reaction.