Warning! This learning object uses Adobe Flash and your browser does not support Flash. To view this content you will either need to install and/or enable flash in your web browser or upgrade your web browser.
Click Here for instructions to enable Flash.
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.
Introduction to Safety in the Chemistry Lab
By Bruce Bell
Learners read about lab equipment and basic safety measures. In a quiz, they view photos and determine if the lab technicians pictured are using safe practices.
Naming Compounds Containing Polyatomic Ions
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners examine a table of common polyatomic ions. Eight examples are provided for practice.
The Mole and Avogadro's Number
Learners examine how chemists use moles to "count" atoms by weight. Examples are given.
By Terry Bartelt
Learners view an animated presentation showing how the pH level of a cleaning solution is controlled in a closed-loop system in a manufacturing setting. A quiz completes the activity.
Creative Commons Attribution-NonCommercial 4.0 International License.
Learn more about the license »