Answer
The debris of ionized atoms is left in the trail of fast, energetic particles. The trail consists of free electrons and positive ions.
Work Step by Step
This is discussed on page 626.
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.