Chapter 6, Problem 67E

(a)

Interpretation Introduction

To determine: The energy comparison between the $\text{2s}$ and $\text{2p}$ orbitals for an ${\text{He}}^{\text{+}}$ ion.

(b)

Interpretation Introduction

To determine: The energy comparison between the $\text{2s}$ and $\text{2p}$ orbitals for an $\text{He}$ atom (one electron added to ${\text{He}}^{\text{+}}$ ion).