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 366: 8.131


Please see the work below.

Work Step by Step

Helium should be named helon so that it may be matched to other noble gases eg neon etc. We also know that the ending -ium shows that helium has properties that of a metal.
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