Organic Chemistry Practice Problems
Though the site is not very visually appealing, it contains a relatively large database of practice questions for Organic Chemistry.
Molview – Chemistry Modelling
MolView is an open-source, intuitive web-application to make chemistry and biology. This application consists of two main parts, a structural formula editor and a 3D model viewer. User can employ 2D to 3D button to convert a molecule into a 3D model which is then displayed in the viewer.
This site works beautifully on Chromebooks!
Interactive Chemistry Review Activities
Science Geek has a large file of Chemistry Review activities, and they are converting them to html5 (which means Chromebook compatible). Many of their interactive resources are already Chromeboook ready.
Interactive Periodic Table
This advanced periodic table includes health and safety information.
Chem Ed Exchange
Chem Ed Exchange is a site for – you guessed it – chemistry and science teachers! They have a great deal of free content in addition to their paid content.