In this animated object, learners examine the chemistry behind table salt.
By Jill Larson
Students solve a molarity problem in a drag and drop exercise.
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Ions are electrically charged particles obtained from an atom or from a chemically bonded group of atoms by adding or removing electrons. Eight examples illustrate the number of protons, neutrons, and electrons in positive ions (cations) and in negative ions (anions).
Identifying Compounds and Ions
Learners complete an exercise to match chemical formulas with the names of binary compounds, tertiary compounds, and ions.
Science Lab Equipment- Part 1
By Bruce Bell
Students read an introduction to the lab equipment used to contain and dispense chemicals. A quiz completes the activity.
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