Chemistry (12th Edition)

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

Chapter 2 - Matter and Change - 2.3 Elements and Compounds - 2.3 Lesson check - Page 47: 30

Answer

Carbon, Hydrogen, Oxygen, and Nitrogen are present, and Hydrogen is present in the greatest proportion.

Work Step by Step

In order to find which element is present in the largest proportion, look at the subscripts. The subscript for Hydrogen is 9, which is larger than any of the other subscripts. Thus, Hydrogen is present in the largest proportion.
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