Chapter 9, Problem IIISP

(a)

Interpretation Introduction

Interpretation:

The no. of $C{s}^{+}$ ions in a unit cell of $CsI$ has to be determined.

(b)

Interpretation Introduction

Interpretation:

The no. of $I^{-}$ ions present in a unit cell of $CsI$ has to be determined.

(c)

Interpretation Introduction

Interpretation:

The no. of $I^{-}$ ions sharing each face of a unit cell has to be determined.