Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 9 - Section 9.1 - Molecular Geometry - Checkpoint - Page 379: 9.1.1


b: tetrahedral, trigonal pyramidal

Work Step by Step

The arrangement of electrons that allows for minimal repulsion, in accordance with VSEPR theory, for molecules with one central atom and four electron pairs is tetrahedral. Since one of the pairs in this molecule is a lone pair, one of the electron sites is not expressed in the molecular geometry so it is trigonal pyramidal.
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.