Stoichiometry Stoichiometry MCQS#Atomic Mass Comparison1Choose the best answerElements A and B have atomic masses 10 u and 20 u. Which statement must be true?AA has half the number of protons of B.BA has half the number of neutrons of B.COne atom of B is twice as heavy as one atom of A.DAtomic masses of A and B are unrelated to their relative masses. Like 0 Discuss 0Share