Question

What happens in a chemical reaction?

a. Atoms are re-arranged.
b. Atoms are destroyed and created.
c. Nothing happens.
d. Atoms stay the same.

Answer 1

Explanation:

Chemical reactions involve breaking chemical bonds between reactant molecules (particles) and forming new bonds between atoms in product particles (molecules). The number of atoms before and after the chemical change is the same but the number of molecules will change.