Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 20 - Oxidation-Reduction Reactions - Standardized Test Prep: 10

Answer

Observe the atom is DECREASING in size in picture - this means electrons shell is lost so the atom is LOSING electrons. Therefore, it is representing oxidation , and the oxidation number should INCREASE.

Work Step by Step

Observe the atom is DECREASING in size in picture - this means electrons shell is lost so the atom is LOSING electrons. Therefore, it is representing oxidation , and the oxidation number should INCREASE.
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