Title: ChemFinder Provider: ChemFinder.com Subject Heading/s: Chemicals LC Class: QD Reference Category: Compendiums Description: Chemical data provided varies; many chemicals have links to external sources for additional information.

Title: [Chemical] Acronym Database Provider: Indiana University Science Libraries Subject Heading/s: Chemicals--Acronyms; Chemicals--Abbreviations LC Class: QD Reference Category: Dictionaries Description: This source from Indiana University Science Libraries may be searched by either acronym or keyword. Updated 10/5/2007

Title: Electrochemistry Dictionary Provider: Chemical Engineering Department, Case Western Reserve University Subject Heading/s: Electrochemistry. LC Class: QD551 Reference Category: Dictionaries Description: "Simple and brief definitions of words and phrases used often in electrochemistry. In some cases, a second paragraph provides further information for the 'more scientifically minded.' "

Title: Elemental Data Index Provider: U.S. National Institute of Standards and Technology Subject Heading/s: Periodic law; Chemical elements. LC Class: QD Reference Category: Handbooks Description: "The Elemental Data Index provides access to online scientific data from the NIST Physics Laboratory for each specific chemical element. There are three versions of the index: frames, no-frames, and text-only. In all three versions, you search by clicking on the element in the periodic table. The results screen displays the element's atomic weight, ionization energy, ground-state level, and ground-state configuration, as well as links to all of the NIST databases in which that element appears, including Atomic Spectra Data, X-Ray and Gamma Ray, Radiation Dosimetry Data, Nuclear Physics Data, and Condensed Matter Physics Data." Best Free Reference Web Sites 2002 Fourth Annual List RUSA Machine-Assisted Reference Section (MARS)

Title: NIST Chemistry WebBook Provider: U.S. National Institute of Standards and Technology Subject Heading/s: Chemicals LC Class: QD Reference Category: Compendiums Description: The National Institute of Standards and Technology produces thermochemistry, enthalpy of reaction, infrared and mass spectra, etc. for thousands of compounds.

Title: Organic Compounds Database Provider: Colby College Chemistry Subject Heading/s: Organic compounds LC Class: QD Reference Category: Handbooks Description: Properties of about 5000 compounds compiled by Harold M. Bell at Virginia Tech. Hosted by the Chemistry Department at Colby College.

Title: Visual Elements Periodic Table Provider: Chemical Societies Network Subject Heading/s: Periodic law; Chemical elements LC Class: QD Reference Category: Encyclopedias Description: The periodic table serves as an index to an encyclopedia of chemical elements from the Chemical Societies Network.

Title: WebElements Periodic Table Provider: WebElements Subject Heading/s: Periodic law; Chemical elements LC Class: QD Reference Category: Encyclopedias Description: The periodic table serves as an index to this encyclopedia of chemical elements, by Mark Winter [University of Sheffield, England].

Title: WWW Table of Radioactive Isotopes Provider: Ernest O. Lawrence Berkeley National Laboratory Subject Heading/s: Radioisotopes LC Class: QD603 Reference Category: Handbooks Description: Data on all known isotopes of radioactive elements, supplemented by a Glossary of Nuclear Science Terms. Added 6/8/04