Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 9 - Chemical Bonding I - Questions & Problems - Page 406: 9.57

Answer

Please see the work below.

Work Step by Step

We know that the octet rule does not hold true for third period elements and beyond because the elements of third period have free d-orbital and hence they need more than 8 valence electrons to fill it.
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