Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 3 - Problems - Page 132: 3.51


See explanation below.

Work Step by Step

Iodine only have one naturally occurring type, where as tellurium has 8 different isotopes. So the average atomic mass of Tellurium's isotopes will be higher than Iodine.
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