Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Chapter 2 - Module 4 - Systems and Matter - AP Review Questions - Page 42: 1

Answer

(c) number of neutrons

Work Step by Step

The number of protons in a chemical element is always constant; however, atoms of the same element with a different number of neutrons are called isotopes. ex. carbon-12 has 6 protons and 6 neutrons carbon-14 has 6 protons but 8 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.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions