A physical change occurred. Atoms involved in the reaction lost mass. Precipitates were created in the new solution. Gases were released to the atmosphere.
Which best explains why the total mass of the product(s) would be less than the total weight of the reactant(s) after a chemical reaction?

Options:
- A physical change occurred.
- Atoms involved in the reaction lost mass.
- Precipitates were created in the new solution.
- Gases were released to the atmosphere.

Gases were released to the atmosphere.