Which statement best represents the relationship between a balanced chemical equation and the Law of Conservation of Mass?

A) All coefficients in a chemical equation must be the same to demonstrate
conservation of mass.

B) The number and type of atoms in the reactants will be different than the number and
type of atoms in the products.

C) When mass is conserved, new elements will form as a result of the reaction.

D) The number and type of atoms in the reactants must be the same as the number and
type of atoms in the products to demonstrate conservation of mass in a reaction.