Answer
Three
Work Step by Step
There are three electron groups around the central Se atom which is bonded to three O atoms.
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)
by Timberlake, Karen C.
Published by
Prentice Hall
ISBN 10:
0321908449
ISBN 13:
978-0-32190-844-5
Chapter 6 - Section 6.7 - Shapes and Polarity of Molecules - Questions and Problems - Page 196: 6.61a
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