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 421c: 59

Answer

220 pm

Work Step by Step

For an fcc unit cell, Face diagonal= $4\times(radius)=\sqrt {2}\times(edge)$ $\implies radius= \frac{\sqrt {2}\times(edge)}{4}$ $=\frac{\sqrt {2}\times620\,pm}{4}=220\,pm$
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