Chapter 7, Problem 7.9PAE

(a)

Interpretation Introduction

To determine: The smallest member: $\mathrm{N}$ and ${\text{N}}^{3-}$

(b)

Interpretation Introduction

To determine: The smallest member: $\text{Ba}$and ${\text{Ba}}^{\text{2+}}$

(c)

Interpretation Introduction

To determine: The smallest member: $\text{Se}$ and ${\text{Se}}^{2-}$.

(d)

Interpretation Introduction

To determine: The smallest member: ${\text{Co}}^{\text{2+}}$ and ${\text{Co}}^{\text{3+}}$.