General Chemistry: Principles and Modern Applications (10th Edition)

by Petrucci, Ralph H.; Herring, F. Geoffrey; Madura, Jeffry D.; Bissonnette, Carey

Published by Pearson Prentice Hal

ISBN 10: 0132064529

ISBN 13: 978-0-13206-452-1

Chapter 2 - Atoms and the Atomic Theory - Exercises - Atomic Number, Mass Number, and Isotopes - Page 63: 39

Answer

95 protons 146 neutrons 95 electrons

Work Step by Step

The atomic number of americium-241 is 95, which means it has 95 protons in its nucleus. The atomic mass of americium-241 is 241, which means it has 241 - 95 = 146 neutrons in its nucleus.

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.