Chemistry: The Molecular Science (5th Edition)

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

Chapter 9 - Liquids, Solids, and Materials - Questions for Review and Thought - Topical Questions - Page 421b: 40c

Answer

CaO, CO

Work Step by Step

From the list, we see that CaO has the highest melting point. CaO is ionic, and it has higher partial charges than LiBr (+2 and -2). Since charge is directly related to force, CaO has the highest melting point. CO has the lowest melting point, for it contains covalent bonds which are not hydrogen bonds.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.