Chapter 21, Problem 21.90QP

Interpretation Introduction

Interpretation:

The number of energy levels in the $3p$  band of a single crystal of sodium with a mass of $21.10\text{ mg}$  has to be calculated.

Concept Introduction:

$\text{Number of atoms = }\frac{\text{Given mass}}{\text{Molar mass}}\times \text{Avogadro number}$

To Calculate: The number of energy levels in the $3p$ band of a single crystal of sodium with a mass of $21.10\text{ mg}$