Answer
The oxidation state of a free element is zero.
Work Step by Step
The oxidation state of a monoatomic ion is equal to its charge.
These are facts concerning oxidation states.
Introductory Chemistry (5th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
032191029X
ISBN 13:
978-0-32191-029-5
Chapter 16 - Oxidation and Reduction - Exercises - Questions - Page 602: 7
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