Chemistry 12th Edition

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

Chapter 8 - Periodic Relationships Among the Elements - Questions & Problems - Page 361: 8.21

Answer

Please see the work below.

Work Step by Step

The atoms with similar valence shell electronic configurations have similar chemical properties. In the given atoms, (a) and (d) have 2 electrons in the valence shell and hence form a pair. Atoms (b) and (f) have 5 electrons in the valence shell and show similar chemical properties. Atoms (c) and (e) have 8 electrons in the valence shell and show similar chemical properties. They are inert gases.
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