Chapter 6, Problem 37E

(a)

Interpretation Introduction

To determine: If the energy is emitted or absorbed in electronic transition of hydrogen from $n=\text{4}$ to $n=\text{2}$ .

(b)

Interpretation Introduction

To determine: If the energy is emitted or absorbed from an orbit of radius $\text{2}\text{.12}\stackrel{\circ }{\text{A}}$ to one of radius $\text{8}\text{.46}\stackrel{\circ }{\text{A}}$ .

(c)

Interpretation Introduction

To determine: If the energy is emitted or absorbed when an electron adds to the ${\text{H}}^{+}$ ion and ends up in the $n=\text{3}$ shell.