Other
University of South Carolina: Resonance in Lewis Structures
A slide show with several slides dedicated to the topic of resonance in Lewis structures. Diagrams help illustate the examples. A practice example is provided.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Resonance
This section from "An Introduction to Chemistry" describes how to draw resonance structures. A few examples are given. Also find links to 3-D molecular models of the examples.
Texas Instruments
Texas Instruments: Geometries and Polarities of Compounds
In this StudyCard activity, students are asked to describe the geometry and polarity of several molecules and ions. Geometries covered include linear, bent, trigonal planar, trigonal pyramidal, and tetrahedral. Students will need to have...
University of California
Resonance: Drawing Resonance Structures
An extensive lesson from UCLA on drawing resonance structures. Includes several examples, and links to related topics. Practice problems are also provided.
CK-12 Foundation
Ck 12: Plix Series: Resonance: Ozone Resonance
[Free Registration/Login Required] Explore resonance by manipulating the electrons and bonds, and then answer a challenge question about the concept.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Resonance: Audio Book
This audio book, narrated by author Mark Bishop, describes how to draw resonance structures. Contains a few examples to help understand the steps. Also find links to tutorials and animations about other chemistry topics.
Other
Chem Fiesta L Resonance Structures Practice [Pdf]
For practice drawing resonance structures, visit this page. It contains four practice problems along with the answers.