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 2 - Problems: 2.76

Answer

NaCl has higher ionic bonding than KCl.

Work Step by Step

The force of attraction between the ions in a ionic compound is inversely proportional to the radius and directly proportional to the charge of its constituents. Since the radius of sodium is smaller than potassium, NaCl has higher ionic bonding than KCl.
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