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Interactive
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Resonance

For Students 9th - 10th
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.
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eBook
Simon Fraser University

Chem1 Virtual Textbook: Thermodynamics of Chemical Equilibrium

For Students 9th - 10th
Use this college level resource as an introduction to chemical thermodynamics.