It also provides the mass of the elements on the periodic table and various compounds. A collection of searchable tutorials on many topics including stoichiometry, periodicity, bonding, energetics, acids and bases, and kinetics. There are also Java applets, structure drawing software, a glossary, searchable collection of interactive 3-D molecular models, and related links. Additionally, there is a FAQ, chat room, and place to post and read previously asked questions. Suitable for advanced high school or college level students.
Free membership allows the site to keep track of tutorials completed by the user.
Fulltext is available to those with a subscription. A brief introduction to the history and basic concepts of organic chemistry. Included are articles on alkanes, alkenes, alkynes, instrumental analysis, aromatic hydrocarbons, and more. This site's mission is to collect and independently annotate all useful organic chemistry sites and to present them in an intuitive way. It's broken down into six parts - literature, the bench, structural analysis, the desk, communication and additional activities.