Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:PROVISIONAL LEWIS STRUCTURES T01/S01
For each provisional structure, identify if it is the correct Lewis structure (C) or if it needs to be modified according to procedure MA or MB to obtain the correct Lewis structure.
MA. Form multiple bonds to the central atom using lone pair on the terminal atom(s) until the central atom has an octet (or septet).
MB. Form multiple bonds to the central atom using lone pair on the terminal atom(s) until the central atom has a formal charge of zero (0) or until two double bonds are formed.
A provisional structure has the valence electrons distributed in order as (1) a bond between each pair of atoms, (2) an octet for each ligand (terminal) atom or ligand group (CH3, NH2 or OH) and (3)
any remaining electrons on the central atom.

Transcribed Image Text::i:
XeF4
O MB
O MA
Expert Solution

Introduction
The covalent bonds along with the lone pair on a molecule can be shown using the concept of Lewis dot structures. These Lewis dot structures are based on octet rule. But this octet rule does not strictly follow for some molecules, exceptions do exist.
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