Which Statement Regarding Balanced Chemical Equations Is Not True

Multiple Choice

Which statement regarding balanced chemical equations is not true?

A) The number of each kind of atoms must be the same on each side.
B) Coefficients are used in front of formulas to balance the equation.
C) Subscripts may be changed to make an equation simpler to balance.
D) When no coefficient is written in front of a formula,the number "one" is assumed.
E) Reactants are written to the left of the arrow.