Chapter 8, Problem 31E

(a)

Interpretation Introduction

To determine: The substances out of the given substances iron, sodium chloride, water, oxygen and argon in which the bonding is covalent.

Step 1:

Interpretation Introduction

To determine: If the bonding in iron is covalent.

Step 2:

Interpretation Introduction

To determine: If the bonding in sodium chloride is covalent.

Step 3:

Interpretation Introduction

To determine: If the bonding in water is covalent.

Step 4:

Interpretation Introduction

To determine: If the bonding in oxygen is covalent.

Step 5:

Interpretation Introduction

To determine: If the bonding in argon is covalent.

(b)

Interpretation Introduction

To determine: If the substance $\text{XY}$ formed from two different elements and boils at $-33{}^{\text{o}}\text{C}$ to be a covalent or an ionic substance.