A Chemical Equation Is Balanced When ________

A chemical equation is balanced when ________.

A) the total number of molecules is the same in reactants and products
B) the total number of ions is the same in reactants and products
C) the sum of the coefficients of the reactants is equal to the sum of the coefficients of the products
D) the number of atoms of each element is the same in reactants and products
E) the charge on each atom is the same in reactants and products