Which of the following has the smallest size | CHEMISTRY - PERIODIC TRENDS IN PROPERTIES OF ELEMENTS | SolveeIt | Solveeit

Today, August 18

Question

Which of the following has the smallest size

A

$Na^{+}$

B

$Mg^{+ 2}$

C

$Cl^{-}$

D

$F^{-}$

Answer

$Mg^{+ 2}$

Explanation

Solution

As the nuclear charge per $e^{-}$ is maximum in $Mg^{+ 2}$ , it has smallest size among $Na^{+},Mg^{+ 2},Cl^{-}$ and $F^{-}$ .