Khan Academy: Comparing Formal Charges to Oxidation States

Oxidation states in elements is 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 is gaining electrons, it is moving toward a state of...

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.

Colorful chromium is captivating! Science sleuths solve a series of puzzles using an interactive resource. Individuals relate the oxidation states of chromium to the colors produced when the compound is placed in acidic or basic solutions.

An introduction to oxidation states, oxidation, and reduction. Find some tips for remembering oxidation and reduction. [10:09]

Using water as an example this video module explores how oxidation numbers are assigned. Also explained is the concept of oxidation states with one elements being oxidized and the other being reduced. Trends of oxidization states are...

Investigate trends in common oxidation states for main group elements with this video. [8:34]

A video showing you how you can classify a reaction as either E2, E1, Sn2 or Sn1. Video compares the reactions as well as suggests a mechanism by which the reaction may occur. [12:25]

See a worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. [5:53]

Learn why objects fall to the ground with Newton's Law of Universal Gravitation as explained by this video. Video will explain history of discovery of the concept of gravity. It will also show how to solve for the force of gravity. [15:42]

This video lecture will use the Universal Law of Gravitation to calculate the acceleration due to gravity at the surface of the Earth. Video will then calculate the space station's acceleration due to gravity. [10:12]