Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 4 - Reactions in Aqueous Solution - Exercises: 4.50d

Answer

It has an oxidation number of 3-.

Work Step by Step

Nitrogen generally wants to have a 3- charge and Gallium will have a +3 oxidation number. Thus, Nitrogen will have an oxidation of -3 in GaN since there is one Gallium atom for every one Nitrogen atom.
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