The Structure of an Atom

Students examine atomic structure and the octet rule.

By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton

Learners examine a table containing the names of common cations and anions. They then check their knowledge by answering a series of questions.

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By Jill Larson, Anne Peregrine

Equilibrium plays a vital role in our lives. We'll show you how the equilibrium formula works in real life using our friend the chicken.

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By Jill Larson

Students solve a molarity problem in a drag and drop exercise.

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By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton

Learners examine the method used to calculate the mass percent of an element in a compound. Three examples and one problem illustrate the method.

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