Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 2 - Test Your Understanding - Level 1 - Knowledge/Comprehension: 2

Answer

d. One more neutron.

Work Step by Step

The atomic number of phosphorous is 15, meaning there are 15 protons. In 31P, there are 15 protons and 16 neutrons. In 32P, there are 15 protons and 17 neutrons. Therefore, 32P has 1 more neutron. Isotopes are variants of an element with a differing number of neutrons.
Update this answer!

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.