Location: Academic Organisations » OpenCourseWare Consortium » MIT OpenCourseWare » MIT 5.111 Principles of Chemical Science - Fall 2005

Lecture 12: Lewis Diagrams

author: Sylvia T. Ceyer, Center for Future Civic Media, Massachusetts Institute of Technology, MIT
recorded by: Massachusetts Institute of Technology, MIT
published: Feb. 10, 2009,   recorded: October 2005,   views: 7993
released under terms of: Creative Commons Attribution Non-Commercial Share Alike (CC-BY-NC-SA)

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Description

I. Lewis Structures

A. Example 1: Cyanide Ion CN-

B. Example 2: Thionyl Chloride SOCl2

II. Formal Charge

A. Assigning a formal charge to an atom

B. Significance

C. Formal charge vs. Oxidation number

III. Skeletal Structure

A. Methyl groups

B. Chain molecules

IV. Resonance

A. Example: NO3-

B. Resonance hybrid

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