Question

According to the law of conservation of matter, the number of ________ is not changed by a chemical reaction.

Answer 1

The law states that the number of atoms and or molecules is not changed by a chemical reaction.

Answer 2

Answer ;

atoms

Explanation ;

The law of conservation of matter states that atoms cannot be created or destroyed by chemical reactions. Therefore, the number of atoms is not changed by a chemical reaction. However, the way the atoms are combined is changed, so the number of bonds, molecules, and products can all change.