Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 11 - Sections 11.1-11.13 - Exercises - Cumulative Problems - Page 541: 133a

Answer

Length of the line $c = 4r$

Work Step by Step

As can be seen from the figure, the central atom (green colored) contributes $2r$ radius, and the two corner atoms (purple colored) contribute $1r$ radius each. So, the length of line $c = 4r$.
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