In a Chemical Equation,which Components of a Chemical Reaction Is

In a chemical equation,which components of a chemical reaction is not noted in symbols and abbreviations?

A) Some substance atoms on the left side of the chemical reaction arrow must be destroyed in order to form the substances on the right side.
B) The reactants, or starting substances, are on the left of the chemical reaction arrow.
C) The products, or ending substances, are on the right of the chemical reaction arrow.
D) Reactants and products are on both sides of the yields arrow.
E) The number of atoms of each element must be the same, balanced on each side of the chemical reaction arrow.