Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 10 - Sections 10.1-10.8 - Exercises - Problems by Topic: 77c

Answer

With two valence electrons, the ion is stable.

Work Step by Step

Helium has 2 valence electrons each, minus 2 electrons from the 2+ charge = 2 valence electrons.
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