Chemistry (7th Edition)

Published by Pearson
ISBN 10: 0321943171
ISBN 13: 978-0-32194-317-0

Chapter 2 - Atoms, Molecules, and Ions - Section Problems - Page 74: 108


The atomic weight of Boron is equal to 10.8 $u$.

Work Step by Step

Atomic wheight: $(Mass^{10}B)(Abundance^{10}B)$ + $(Mass^{11}B)(Abundance^{11}B)$ $(10.0129)(0.199) + (11.00931)(0.801) = 10.8\ u$
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.