Principles of Chemical Science

Lecture 10: Introduction to Lewis Structures

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Topics

Lewis Structures Formal Charge Resonance Structures

Lecture Video

Lewis structures are simplistic views of molecular structure. They are based on the idea that the key to covalent bonding is electron sharing and having each atom achieve a noble gas electron configuration. Lewis structures correctly predict electron configurations around atoms in molecules about 90% of the time. They are not perfect, but writing a Lewis structure is a lot easier than solving the Schrödinger equation, so we recommend that you watch this lecture.

Lecture Notes

Notes for Lecture 10 (PDF)

Clicker Questions

Lecture 10 Clicker Questions (PDF)

Textbook Reading

TOPICS	5th EDITION	4th EDITION
Lewis Structures	Section 2.5–2.8	Section 2.5–2.8

Problems and Solutions

Problems for Lecture 10 (PDF)

Solutions for Lecture 10 (PDF)

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