Answer
CoO
$Co_2O_3$
Work Step by Step
We know that Cobalt can have a 2+ charge, or it can have a 3+ charge. Using this, along with the fact that Oxygen has a 2- charge, we create two different compounds:
CoO
$Co_2O_3$
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 2 - Chemical Compounds - Questions for Review and Thought - Topical Questions - Page 90b: 34
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