Chemical Bonds: The Hydrogen Bond

By Jill Larson

In this interactive object, students examine a type of chemical bond known as the "hydrogen bond."

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Naming Binary Ionic Compounds Containing Fixed Oxidation State Cations

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

Learners examine a table containing the names of common cations and anions.

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Shapes of Simple Molecules - Part 2

By Dr. Miriam Douglass, Dr. Martin McClinton

Learners examine how five or six groups of electrons around a central atom cause the shape of the molecule to be trigonal bipyramidal, seesaw, T-shaped, linear, octahedral, square pyramidal, or square planar. Seven examples and three interactive questions are provided in this animated activity.

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Percent Composition of Compounds (Screencast)

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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Phase Diagrams

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