Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 8 - Basic Concepts of Chemical Bonding - Exercises - Page 335: 8.33e

Answer

There are 4 bonding pairs of electrons in the $SiCl_4$ molecule.

Work Step by Step

In the diagram, each bonding pair is represented by 1 line. Therefore, looking at the Lewis symbol of $SiCl_4$ molecule on the right side, we witness 4 lines surrounding $Si$. That means there are 4 bonding pairs of electrons in the $SiCl_4$ molecule. The reason for these 4 bonding pairs of electrons is that for each $Cl$ giving 1 electron for sharing, $Si$ would also gives 1 electron for sharing. Eventually, there would 4 bonding pairs of electrons for 4 $Cl$.
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