Chapter 9, Problem 49E

(a)

Interpretation Introduction

To determine: The electronic configuration of isolated $\text{B}$ atom.

(b)

Interpretation Introduction

To determine: The electronic configuration of isolated $\text{F}$ atom.

(c)

Interpretation Introduction

To determine: The hybrid orbital constructed on the $\text{B}$ atom to make $\text{B-F}$ bonds in ${\text{BF}}_3$ .

(d)

Interpretation Introduction

To determine: The valence orbital remained unhybridised on the $\text{B}$ atom in ${\text{BF}}_3$ .