Answer
See explanation below.
Work Step by Step
The Group 2A elements (ns2 ) lose their two valence electrons to form 2+ charges.
Chemistry: The Molecular Nature of Matter and Change 7th Edition
by Silberberg, Martin; Amateis, Patricia
Published by
McGraw-Hill Education
ISBN 10:
007351117X
ISBN 13:
978-0-07351-117-7
Chapter 14 - Problems - Page 609: 14.5
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