Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 11 - Intermolecular Forces and Liquids and Solids - Questions & Problems - Page 511: 11.56


Diamond is harder than graphite, and it cannot conduct electricity.

Work Step by Step

Diamond is harder because its carbon forms four bonds to make a 3d structure. Graphite can conduct electricity because it only forms three bonds, leaving delocalized electrons and allowing for electricity to be conducted.
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