Chemistry (12th Edition)

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

Chapter 4 - Atomic Structure - 4.3 Distinguishing Among Atoms - 4.3 Lesson Check: 28

Answer

To calculate the atomic mass, the mass of each isotope is multiplied by its natural abundance (expressed and converted to a decimal) and they are added together.

Work Step by Step

To calculate the atomic mass of any given, the mass of each isotope is multiplied by its natural abundance in the atmosphere (expressed as a decimal) and then they are added together.
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