Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 9 - Molecular Geometry and Bonding Theories - Exercises - Page 391: 9.42f

Answer

GaH3 is non-polar.

Work Step by Step

After drawing a Lewis dot diagram of GaH3 we can see that it's molecular geometry is Trigonal Planar. Because H, the bonding atom surround Ga is the same and holds an electronegativity of 2.1 the molecule is polar.
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