Question

3. Why are new substances formed in a
change reaction if no atoms are created or
destroyed ?​

Answer 1

Answer:

due to the law of conservation of mass

Answer 2

Answer:

In a chemical reaction, the atoms and molecules that interact with each other are called reactants. ... No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.