Chapter 20, Problem 30E

(a)

Interpretation Introduction

To determine: The coordination number of ${\text{Al}}^{3+}$ ion in ${\text{AlF}}_3$ .

(b)

Interpretation Introduction

To determine: The coordination number of ${\text{Al}}^{3+}$ ion in ${\text{Al}}_2{\text{O}}_3$ .

(c)

Interpretation Introduction

To determine: The coordination number of ${\text{Al}}^{3+}$ ion in $\text{AlN}$ .