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!
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.