## Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning

# Chapter 9 - Liquids, Solids, and Materials - Questions for Review and Thought - Topical Questions - Page 421c: 60

407 pm

#### Work Step by Step

For an fcc unit cell, Face diagonal= $4\times(radius)=\sqrt {2}\times(edge)$ $\implies edge= \frac{4\times(radius)}{\sqrt {2}}$ $=\frac{4\times144\,pm}{\sqrt {2}}=407\,pm$

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