Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 23 - Problems: 23.4


See explanation below.

Work Step by Step

Because there are 5 d orbitals, 5 unpaired d electrons are available. Manganese have 5 unpaired d electrons. Its electronic configuration is [Ar] 4s2 3d5. Mn ion, Mn2+ have 5 unpaired electrons even in its ionic form. The electronic configuration of Mn2+ is [Ar]3d5.
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