From reactions to the world of acids and bases, the study of chemistry can present certain unique challenges to all types of students. Fortunately, there are helpful sites like Chemistry Help. As their site mentions,...

This booklet describes the interstellar medium and the local bubble that is being studied by NASA-s CHIPS satellite. It contains review questions and problems for students, plus two activities to help to understand some...

The University of North Carolina at Chapel Hill Chemistry Fundamentals Program offers an interactive review of the fundamentals of chemistry for incoming college freshman chemistry students. The basic link offers...