Curated OER
Chemistry 116 Exam 1, Spring 2009
This five-page exam was designed for a biochemistry and organic chemistry course. It covers the molecular geometry and properties of organic comounds. Test takers identify compounds, functional groups, and isomers. They draw Lewis...
Curated OER
Lewis Structure Worksheet
In this chemistry worksheet, students draw the Lewis structures of 11 compounds and polyatomic ions. They calculate the formal charge of each atom.
Other
Chemical Bonds: Formal Charges
A slide presentation with several slides dedicated to the topic of formal charges. Formal charges are explained, and examples are given. A practice example is provided.
Khan Academy
Khan Academy: Charge Transfer Processes
In this 4-question quiz, predict how charge gets transferred by conduction between two objects.
University of Toronto (Canada)
University of Toronto: Chemistry Notes: Formal Charge
Formal charges are the subject of two slides of this slideshow on bonding. Instructions for determining the formal charge of a compound are given.