Conversion of Units - online tool that converts temperatures between Kelvin, Celsius, Fahrenheit, and Reaumur.
Chemistry Crash Course- New from the Hank brothers!
Chemistry Dictionary- Provided by the the Chemical Institute of Canada.
Comic Book Periodic Table - Learn the periodic table in comic book form
General Chemistry Online- One of the top chemistry information sites available today.
goREACT - In this drag-and-drop virtual laboratory, combine elements from the Periodic Table to create chemical reactions and discover the chemistry in the world around you!
Elements Database detailed descriptions of the elements
General Chemistry Starting Points- collection of links for Chemistry students
Interactive Periodic Table of Elements
Organic Chemistry Principles in Context
Periodic Table of Videos - Videos showing a variety of experiments organized by element
Ted-Ed Periodic Videos- A lesson about every single element on the periodic table.
Web Elements - An award winning site featuring information on the periodic table.