Answer
Group 2A must lose two electrons when it forms an ion.
Work Step by Step
Group 2A has two valence electrons that element must lose in order to achieve noble gas configuration
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)
by Timberlake, Karen C.
Published by
Prentice Hall
ISBN 10:
0321908449
ISBN 13:
978-0-32190-844-5
Chapter 6 - Section 6.1 - Ions: Transfer of Electrons - Questions and Problems - Page 171: 6.4b
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