This lesson is a highly organized, detailed, chock-full-of-examples way to learn about assigning oxidation states to a variety of atoms, ions, and atoms in a compound.
The major rules and exceptions are listed in a detailed table with examples and sample questions to follow each rule.
Later in the lesson, students put the information to good use and assign oxidation states.
Most of my chemistry lessons are 8 slide PowerPoints. I print the PowerPoints each day (4 slides per page... front and b