Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 2 - Sections 2.1-2.9 - Exercises - Problems by Topic: 53b

Answer

11 protons and 12 neutrons

Work Step by Step

Atomic number of the isotope $^{23}_{11}Na$ = 11 = $Z$ Mass number of $^{23}_{11}Na$ = 23 = $Z$ So, number of protons = Atomic number = 11 Number of neutrons = $A - Z = 23-11 $ = 12
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.