Chapter 8, Problem 80E

(a)

Interpretation Introduction

To give: The more negative electron affinity from the pair: $\text{Mg}$ or $\text{S}$.

(b)

Interpretation Introduction

To give: The more negative electron affinity from the pair: $\text{K}$ or $\text{Cs}$.

(c)

Interpretation Introduction

To give: The more negative electron affinity from the pair: $\text{Si}$ or $\text{P}$.

(d)

Interpretation Introduction

To give: The more negative electron affinity from the pair: $\text{Ga}$ or $\text{Br}$.