Number of electrons present in 3.6 mg of NH4+ area)1.2 x 1021b)1.2 x 1020c)1.2 x 1022d)2 x 10–3Correct answer is option 'A'. Can you explain this answer? Ref: https://edurev.in/question/514037/Number-of-electrons-present-in-3-6-mg-of-NH4area-1