By Jill Larson
Students examine atomic structure and the octet rule.
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Boiling Point of a Liquid
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners examine how the boiling point increases with increasing pressure. An example from industry is given.
Acids & Bases
Students read different definitions of "acids" and "bases." In an interactive exercise, they identify if a substance is an acid or a base.
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.
The Three States of Matter
In this animated and interactive object, learners examine the properties of liquids, solids, and gases.
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