Chapter 9, Problem 75SAE

Interpretation Introduction

Interpretation:

The atom/ion that has the largest radius should be selected from:

${\text{Ar atom; K}}^{\text{+}}{\text{ ion; Ca}}^{\text{2+}}{\text{ ion; Cl}}^{\text{-}}\text{ ion}$

Concept introduction:

Generally, adding electrons to atom produces anion and results in increase in atomic size, while removing electrons from atom produces cation and results in decrease it atomic size.