Principles of Chemical Science

Lecture 13: Molecular Orbital Theory

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Topics

Molecular Orbital Theory Homonuclear Molecules with MOs Originating from s Orbitals Homonuclear Molecules with MOs Originating from s and p Orbitals Heteronuclear Diatomic Molecules

Lecture Video

Why do some atoms readily form bonds with each other and other atoms don’t? Using molecular orbital theory, we can rationalize why molecular hydrogen (H₂) is an abundant molecule whereas molecular helium (He₂) is not. If you want to power your starship with dilithium (Li₂) crystals, you should watch this lecture.

Lecture Notes

Notes for Lecture 13 (PDF)

Clicker Questions

Lecture 13 Clicker Questions (PDF)

Textbook Reading

TOPICS	5th EDITION	4th EDITION
The Limitations of Lewis’s Theory	Section 3.8	Section 3.8
Molecular Orbitals	Section 3.9–3.11	Section 3.9–3.11

Problems and Solutions

Problems for Lecture 13 (PDF)

Solutions for Lecture 13 (PDF)

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