The difference in orbital energies corresponds to the energy of a photon of light that is emitted (or absorbed) when an electron transitions between two energy states.
Work Step by Step
This is discussed on page 607.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.