MCQ
Which has the smallest size
  • A
    $N{a^ + }$
  • B
    $M{g^{2 + }}$
  • C
    $A{l^{3 + }}$
  • ${P^{5 + }}$

Answer

Correct option: D.
${P^{5 + }}$
d
(d) As the nuclear charge per electron is maximum in ${P^{5 + }}$. Therefore its size is smallest.

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