The smallest among the following ions is. | CHEMISTRY - PERIODIC TRENDS IN PROPERTIES OF ELEMENTS | SolveeIt | Solveeit

Today, August 18

Question

The smallest among the following ions is.

A

$Na^{+}$

B

$Mg^{+ 2}$

C

$Ba^{2 +}$

D

$Al^{3 +}$

Answer

$Al^{3 +}$

Explanation

Solution

The size of an species decreases with increasing nuclear charge because the attraction for the electrons increases. Thus $Al^{3 +}$ is smaller in size.