Khan Academy
E1 Reactions, Substitution and Elimination Reactions, Organic chemistry
This video builds upon the previous topic and explains how the elimination reaction between moderately electronegative molecules is controlled.
Khan Academy
Mini-Video on Ion Size, Periodic Table, Chemistry
Sal discusses what happens to elements when they become ionized. He demonstrates that when neutral atoms become ionized, they can significantly change their relative atomic sizes. He uses the Periodic Table of the Elements to illustrate...
Curated OER
Valence Electrons and Forming Ions
Cute manga style animated Aya is your host for this short but good explanation of valence electrons and forming ions. She explains how to know whether to add or subtract electrons when ions are forming. Note: The voice work is a little...
Curated OER
Colorful Electrolysis
Watch electrolysis in action. A young student performs an electrolysis experiment as it is explained in text beneath her equipment. Show this as an example of how to perform electrolysis before having your chemistry students carry out...