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 - Applying Concepts - Page 90f: 124j

Answer

1 Oxygen molecule has the greater mass.

Work Step by Step

- 1 oxygen atom: $(O)$ = 16* AMU. - 1 oxygen molecule: $(O_2)$ = 16*2 = 32 AMU. - Since "AMU" is a mass unit, $O_2$ has the greater mass.

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