Chapter 12, Problem 116AE

(a)

Interpretation Introduction

To determine: The number of atoms of each type which are present in the given unit cell.

(b)

Interpretation Introduction

To determine: The coordination number and shape of the coordination environment for the sodium ion.

(c)

Interpretation Introduction

To determine: The density of the unit cell of ${\text{Na}}_{\text{2}}\text{O}$ .