Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 5 - Electron Configurations and the Periodic Table - Questions for Review and Thought - Applying Concepts - Page 240f: 129c

Answer

LiBr

Work Step by Step

From the trends in atomic radius we learned earlier in the chapter, we can conclude that LiBr is smaller than KCl. Since smaller molecules experience greater attraction with charge being equal (due to Coulomb's law), we see that LiBr will have a greater lattice energy.
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