Official website includes information regarding membership, job opportunities, news, contact and scholarly communication. Fun features include the Molecule of the Week and an excellent animated Periodic Table (requires Shockwave plugin).
A free version of ChemIndex, a searchable database that includes chemical structures (2D structures and 3D models); physical properties; and hyperlinks to other websites with information about elements and compounds. Search by chemical name, CAS number, molecular formula, or weight. From CambridgeSoft.
Contains definitions of chemical terms. Sections include: chemical reactions; experimental chemistry; geology; inorganic chemistry; mineralogy; organic chemistry; petrology; and quantum chemistry. Subject hierarchy, alphabetical index and search engine allow quick and easy browsing and searching. Part of World of Science, a "budding online encyclopedia" being assembled by Internet encyclopedist Eric Weisstein.
A very long list of links to free, online chemistry resources in the following categories: Chemistry Journals; Chemistry Overviews; Periodic Tables and Databases; Chemical and Biochemical Databases; Chemistry 1st and 2nd Year Courses, Tutorials, and Movies; Analytical Chemistry Courses, Tutorials, and Movies; Chemistry by Subject Courses, Tutorials, and Movies.
Created by Seed Media Group, this online community includes more than 80 science experts blogging about their fields. Covering everything from life and physical science and medicine to technology and science topics in politics, this is a great resource for anyone studying the scientific world.