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: 8.19

Answer

Please see the work below.

Work Step by Step

We know that hydrogen forms $H^+$ ion and it resembles alkali atoms, but when it forms $H^-$ ion then it resembles halogens.
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