Chapter 12, Problem 39E

(a)

Interpretation Introduction

To identify: Whether $Ar\left(s\right)$ is a molecular, ionic, or atomic solid.

(b)

Interpretation Introduction

To identify: Whether $H_{2}O\left(s\right)$ is a molecular, ionic, or atomic solid.

(c)

Interpretation Introduction

To identify: Whether $K_{2}O\left(s\right)$ is a molecular, ionic, or atomic solid.

(d)

Interpretation Introduction

To identify: Whether $Fe\left(s\right)$ is a molecular, ionic, or atomic solid.