Question

arrange mg cl p and ar in descending order of their atomic size and give reason for your answer.​

Answer 1

Answer:

<br> Mg, Cl, P, Ar (Atomic numbers of the above elements are 12, 17, 15, 18 respectively). ... Based on the atomic numbers, these elements are arranged in the order : Mg, P, Cl, Ar. Since atomic size decreases along a period, the expected decreasing order is : Mg(136±)>P(110±)>Cl(99±)<Ar(190±)

Answer 2

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