Chapter 10, Problem 54E

Interpretation Introduction

Interpretation:

The density of solid iridium has to be found.

Concept introduction:

Density: The quantity density is the amount of substance per unit volume of the substance.  Density is a unique property of a substance.

$\text{Density=}\frac{\text{Mass}}{\text{Volume}}$

Crystal lattice is the orderly arrangement of atoms or ions in space.  The constituent particles are tightly packed in a crystal lattice to avoid empty spaces in between.  The smallest group of the atoms or ions that is the basic repeating unit of a crystalline lattice is called as a unit cell.