Chapter 20, Problem 20.31CP

(a).

Interpretation Introduction

To determine:

Electronic configuration.of ${\text{A}}^{\text{2}+}$

(b).

Interpretation Introduction

To determine:

Electronic configuration.of B+

(c).

Interpretation Introduction

To determine:

Electronic configuration.of ${\text{C}}^{\text{3}+}$

(d).

Interpretation Introduction

To determine:

Electronic configuration.of ${\text{DO}}_{\text{4}}{}^{\text{2}-}$