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Dr. Miriam Douglass
Dr. Martin McClinton
Roman numerals are used to identify the charges on metal cations having multiple oxidation states. Five examples are provided for practice.
Identifying Compounds and Ions
By Jill Larson
Learners complete an exercise to match chemical formulas with the names of binary compounds, tertiary compounds, and ions.
Calculation of Atomic Weight from Isotopic Composition
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners examine the method for calculating the atomic weight of copper from the natural percent composition of each of its two isotopes.
The Hydrogen Bond
In this interactive object, students examine a type of chemical bond known as the "hydrogen bond."
The Three States of Matter
By Dr. Miriam Douglass, Dr. Martin McClinton
In this animated and interactive object, learners examine the properties of liquids, solids, and gases.
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Give your new group a name.