Use websites only when appropriate and question their credibility. Remember, almost anyone can publish something online because it doesn't go through the same review process like books or articles.
Generally .gov, .edu, .org sites tend to be the most credible, though there are still exceptions. To limit your Google search to these domains, type in your search term followed by a colon with the domain name. Ex. population trends:.gov
When in doubt, ask your instructor if it’s okay to use a particular web source.
Websites
Below are suggested websites that cover chemical structure, safety & toxicology data, physical & chemical properties, bio-activity and molecular visualization & modeling.
Provides information on the biological activities of small molecules. PubChem is organized as three linked databases within the NCBI's Entrez information retrieval system. These are PubChem Substance, PubChem Compound, and PubChem BioAssay. PubChem also provides a fast chemical structure similarity search tool. More information about using each component database may be found using the links in the homepage
The Sigma-Aldrich Web Toolbox features helpful online science research tools and resources for Analytical Chemistry, Life Science, Chemical Synthesis and Materials Science. Tool examples include a structure search and an interactive periodic table.
ChemTube3D contains interactive 3D animations and structures, with supporting information for some of the most important topics covered during an undergraduate chemistry degree.
SureChem specializes in organic chemistry recognition from patents. Search by drawing/pasting chemical structures or keywords. It also connects to the RSC's ChemSpider.
Sponsored by the National Science Foundation, Science360 is an up-to-date view of breaking science from around the world. This contains videos on every branch of science, including chemistry.