Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 2 - Chemical Compounds - Problem Solving Practice 2.6 - Page 57: d


Not likely to be found in a common ionic compound.

Work Step by Step

Selenium is a non-metal of Group VIA, and it gains two electrons to form $Se^{2-}$ ion; hence, $Se^{2+}$ is highly unlikely.
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