In the following chemical equation, the atomic inventory for which element has been done incorrectly? 2KClO3 2KCl + 3O2 reactant elements atomic inventory product elements atomic inventory potassium 1 × 2 = 2 potassium 1 × 2 = 2 chlorine 3 × 2 = 6 chlorine 1 × 2 = 2 oxygen 3 × 2 = 6 oxygen 2 x 3 = 6 potassium chlorine oxygen more than one element