Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 7 - Periodic Properties of the Elements - Exercises - Page 291: 7.16c

Answer

Slater's rules give more accurate estimate of $Z_{eff}$.

Work Step by Step

Comparing both results from part (a) and part (b), we find that Slater's rules give more closer results to the mentioned $Z_{eff}$ for the outermost electrons in Si and Cl. Therefore, Slater's rules give more accurate estimate in this case.

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