Select the correct answer. Which of the following is true for balancing equations? A. There must be an equal number of atoms of each element

Select the correct answer. Which of the following is true for balancing equations? A. There must be an equal number of atoms of each element on both sides of the equation. B. The number of products should be equal to the number of reactants. C. The properties of the products should be the same as the properties of the reactants. D. There must be an equal number of compounds on both sides of the equation.