Naming Binary Ionic Compounds Containing Variable Oxidation State Cations (Screencast)

Roman numerals are used to identify the charges on metal cations having multiple oxidation states. Five examples are provided for practice.

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

Learners examine the meaning of theoretical yield, actual yield, and percent yield. They test their knowledge by solving two problems.

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By Dr. Miriam Douglass, Dr. Martin McClinton

Learners convert units used to designate pressure. Units for pressure are atm, mm Hg, torr, and pascal.

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By Debbie McClinton, Dr. Martin McClinton

In this screencast, we review the positions of metals, metalloids, and nonmetals in the Periodic Table and the general characteristics of each.

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

The definition of an isotope is illustrated using the three isotopes of carbon. The three isotopes of hydrogen are discussed as exceptions.

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