Lecture 29: The Shapes of Molecules: VSEPR Theory

author: Catherine L. Drennan, Department of Chemistry, Center for Future Civic Media, Massachusetts Institute of Technology, MIT
recorded by: Massachusetts Institute of Technology, MIT
published: Feb. 10, 2009,   recorded: November 2005,   views: 1363
released under terms of: Creative Commons Attribution Non-Commercial Share Alike (CC-BY-NC-SA)

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Description

I. Valence Shell Electron Pair Repulsion (VSEPR) Theory

A. Prediction of geometry

B. Nomenclature

II. VSEPR Rules

A. Steric Number (SN)

B. Resonance structures

C. Molecules without lone pairs

D. Molecules with lone pairs

1. Attractive forces exerted by nuclei

2. Repulsive forces

III. Rationalization of shapes based on VSEPR theory

A. Atomic size

B. Bond lengths

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Reviews and comments:

Comment1 Asad Ullah, March 23, 2009 at 3:55 p.m.:

chemistry should be written in various ques and answers with them and it should be written in such a way that a reader at once clearly understand it as he reads it


Comment2 Kaveh, November 24, 2009 at 10:32 a.m.:

Completely useless recording without seeing screen! Thank you MIT...


Comment3 abhishek, January 27, 2013 at 6:54 a.m.:

grt lectures by mit

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