Instructional Video13:29
Curated OER

Oxidation and Reduction Review From Biological Point-of-View

10th - 12th
Review of reduction and oxidation opens this video. It really helps stimulate understanding of these biochemistry topics. By explaining the loss or gain of electrons, Salman Khan is able to clarify the concept of respiration processes.
Instructional Video17:39
Khan Academy

Introduction to Oxidation States

7th - 10th
Oxidation states in elements are the focus of this chemistry video. Sal illustrates how when an element loses electrons, it is moving toward a state of oxidation, and when an element gains electrons, it is moving toward a state of...
Instructional Video17:29
Khan Academy

More on Oxidation States

7th - 10th
In the previous video, Sal presented how elements move toward a state of oxidation (by losing electrons), and a state of reduction (by gaining electrons). This lecture takes that concept a bit further, and he provides more examples.