CHEMISTRY AND PHYSICS
Chem4Kids
http://www.chem4kids.com/
Easy to navigate with site map or search engine and includes drop-down glossary for terms. Also has data on atoms, elements, and matter as well as biographies of famous chemists; will soon include chemistry quizzes.
A Periodic Table of the Elements.
http://pearl1.lanl.gov/periodic
Maintained by the Los Alamos National Laboratory, this site provides the latest information about chemical elements and the periodic table.
The Periodic Table of the Elements on the Internet.
http://chemicalelements.com
Includes a detailed version of the periodic table and links to additional information.
Physics Life.
http://www.physics.org/life
Did you know that physics is at work on the playground? Learn all about the science that surrounds us every day through a fun, interactive site.
Science Is Fun.
http://scifun.chem.wisc.edu/scifun.html
The master of chemical demonstrations, University of Wisconsin-Madison chemistry professor Bassam Z. Shakhashiri shares the fun of science through home science activities, demonstration shows, videos, and books. Information about these and other science fun stuff is available here.
Common U.S. and Metric equivalents
http://chemistry.berkeley.edu/links/weights/index.html
Includes Mathematical Notation for Orders of Magnitude, Metric prefixes, and Common U.S. and Metric equivalents
Conversion Factors
http://www.wsdot.wa.gov/Metrics/factors.htm
This site lists conversion relationship between U.S. customary units and SI (International System) units. It gives conversion factors for commonly needed values -- area, length, pressure, force, and volume -- as well as gage standards for things such as sheet metal, wire, and pipes and measures of hardness, stress, and temperature.
Chemical Patents Plus
http://casweb.cas.org/
WWW access to all United States patents from 1971 to present (not just chemical patents). Searching and display of titles and abstracts is free; full text and images are available for a small fee. Updated every Thursday. Registration and account set-up is required.
Abbreviations of Chemical Compounds
http://www.chemie.fu-berlin.de/cgi-bin/abbscomp/molform
A searchable index of chemical compound abbreviations. Results include an expansion of the abbreviation plus complete molecular formula of the chemical compound.
About.com: Chemistry
http://chemistry.about.com/
An Internet guide for chemistry, with feature articles, Website links, and discussion forums. Topics covered include acids & bases (pH), analytical chemistry, astrochemistry, biochemistry, chronatography, crystallography, electrochemistry, organic chemistry, inorganic chemistry, spectroscopy, periodic tables, and toxic chemicals.
ATSDR ToxFAQs: Hazardous Substance Fact Sheets http://atsdr1.atsdr.cdc.gov:8080/toxfaq.html
A searchable database of summaries about hazardous substances and the most frequently asked questions about the effects of these substances put together by the Agency for Toxic Substances and Disease Registry. These summaries include basic lay-person information about specific chemicals such as pronunciation and where they can be found in the environment, a picture of the chemical (molecular), general properties and scientific names, information about exposure to the chemical and its consequences, health information, and environmental hazards associated with the chemical. References as well as additional information telephone numbers are also provided.
ChemCompass
http://www.chemcompass.com/
"The database for the chemical industry. Search in over 20,000 products, 2,000 companies, brands, EINECS or CAS numbers and more."
ChemConnect
http://www.chemconnect.com/
Directory of chemical suppliers, including an online trading exchange for buyers and sellers to connect. Links to chemistry journals and websites of interest to chemists.
Chemical Education Resource Shelf http://www.umsl.edu/divisions/artscience/chemistry/books/
"Listings include the authors, title of the book, edition, publisher, year of publication, ISBN, and price. Prices quoted are usually "net" prices (what bookstores are charged), but many "list" prices also are included. If we have been able to locate a review of the textbook, a reference to the review is cited."
Chemical Patents Plus
http://casweb.cas.org/
WWW access to all United States patents from 1971 to present (not just chemical patents). Searching and display of titles and abstracts is free; full text and images are available for a small fee. Updated every Thursday. Registration and account set-up is required.
The Chemical Scorecard
http://www.scorecard.org/
"Millions of pounds of chemicals are released into our air and water each year. Some are recognized as harmful to human health, others are suspect, and a great many we don't know much about. EDF's Chemical Scorecard makes it easy to find information fast: where these chemicals come from in your community, what their effects are, and what actions you can take. Polluter Locator: Find out what chemicals are being released into your neighborhood environment by manufacturing plants, which of these chemicals are the most harmful, and what companies are responsible." Sections of the Website include: "Pollution Rankings: Scorecard highlights pollution problems that put an area into the worst 20% of areas in the country, or in its own state, and spotlights the companies responsible; About the Chemicals: Find out whether a chemical has been tested for health effects and how harmful it may be for you and the environment; Health Effects: Select a health problem that concerns you and find out what chemicals are recognized or suspected causes; Regulatory Controls: Find out about the regulatory programs that govern chemicals; Take Action: Scorecard lets you send faxes--for free--straight to the top-ranked polluters in your area."
The Chemical Scorecard: About the Chemicals
http://www.scorecard.org/chemical-profiles/
"Scorecard provides detailed information on more than 5,000 chemicals, including all the chemicals used in large amounts in the United States and all the chemicals regulated under major environmental laws. You can search for information by typing in the chemical's name (or any common synonym) or the chemical's standard identification number (Chemical Abstracts Service or CAS registry number)."
Chemicals in the Environment OPPT Chemical Fact Sheets
http://www.epa.gov/chemfact/
A collection of indexed factsheets provided by the OPPT on toxic chemicals. For each chemical listed, there is a document with frequently asked questions about the chemical and a summary document about the chemical, itself. These summaries include specific chemical information such as the CAS registry number, properties (boiling point, melting point, density, etc. and references), common name synonyms, production and manufacturing information, use, trends, environmental fate, health effects, environmental effects, EPA and other group activity in regards to the particular chemical, and finally fully cited references for preparation of the summaries.
Chemicool Periodic Table
http://www.chemicool.com/
Periodic table including extensive information about the elements.
Chemistry - Links for Chemists http://www.liv.ac.uk/Chemistry/Links/links.html
This site is a searchable index of more than 7350 Chemistry resources on the WWW. It has a United Kingdom focus, but it includes links useful to chemists from all over, for it features a collaborative effort to index international University Chemistry Department websites. It also has a selection of magazines and newspapers to flick through as well as a Chemical Art Gallery.
Chemistry Glossary http://hexane.chem.uiuc.edu/cyberprof/public/chemistry/102x/Glossary/glossary.html
Definitions for chemistry terms.
Chemistry Index / Chemie-Index
http://www.chemie.fu-berlin.de/chemistry/index.html
A collection of links to a wide variety of searchable databases. These in include indexes of chemical names, fundamental physical constants, SI units, and convesion factors. A link to an amino acid database supplies information on symbols, molecular weight, CAS registry numbers, and a diagram of the molecular structure. Another database can be searched for abbreviations of chemical compounds.
College Physics for Students of Biology and Chemistry http://www.rwc.uc.edu/koehler/biophys/text.html
"This is a hypertextbook written for first-year undergraduate physics students. It assumes that you have a working knowledge of algebra, that you are currently taking or have taken a college level course in Biology and one in Chemistry, and that you are interested in biology, chemistry or one of the health-related fields." Problem sets are included. Includes a table of contents and an index.
Compressed Air Glossary of Terms
http://www.impactrm.com/glossary/
A glossary of terms related to compressed air and its uses.
Electrochemical Science and Technology Information Resource http://electrochem.cwru.edu/estir/
This site provides links to electrochemistry sources including associations, publications, and educational programs. It also provides a great deal of scientific information about electrochemical topics, especially the chemistry of batteries and fuel cells.
The EXtension TOXicology NETwork
http://ace.ace.orst.edu/info/extoxnet/
Provides pesticide information profiles, toxicology information briefs, news about toxicology issues, and resources for toxicology information. It is searchable by keyword or partial word.
Fundamental Physical Constants
http://www.chemie.fu-berlin.de/chemistry/general/constants.html
Values for fundamental physical constants, in HTML format.
Gaussian Basis Set Order Form
http://www.emsl.pnl.gov:2080/forms/basisform.html
Allows you to extract Gaussian basis sets, and any related effective core potentials, from the Molecular Science Research Center's Basis Set Library. A user may request the basis set be formatted appropriately for a wide variety of popular electronic structure packages. In addition to the exponents and contraction coefficient which define the basis set, the user can obtain descriptive data which includes the overall philosophy behind the basis, literature citations, the angular momentum composition of the basis and many other pieces of information.
General Chemistry Online!
http://antoine.frostburg.edu/chem/senese/101/
An extremely helpful and well-reviewed site containing: Companion Notes (Hyperlinked notes and guides for first semester general chemistry), Chemistry Exam Survival Guide (Skills checklists and online self-grading examinations), an index of self-guided tutorials, quizzes, and drills on specific topics, FAQ (Answers to over 300 frequently asked questions), a searchable, crosslinked collection of over 700 chemical terms; now with audio pronunciations, and much more.
Hazardous Chemical Database
http://ull.chemistry.uakron.edu/erd/
"Searchable database of over 1300 hazardous chemicals. Includes names, synonyms, formula, physical data, NFPA ratings, DOT guides and registry numbers."
High School Chemistry
http://highschoolhub.org/hub/chem.cfm
Chemistry resources for high school students. Sections include: Introduction to Chemistry; Periodic Tables; Molecular Structures; Chemical References; Questions, Quizzes, Exam Prep; and Laboratory Experiments. Also has other fun and interesting sites and interactive flash cards games (good for practicing for tests) for matching chemical element symbols, ions, and chemical names.
Integrated Spectral Data Base System for Organic Compounds
http://www.aist.go.jp/RIODB/SDBS/menu-e.html
"SDBS is an integrated spectral database system for organic compounds, which includes 6 different types of spectra under a directory database of the compounds. The spectra are EI mass, 1-H decoupled 13-C NMR, 1-H NMR pattern (90 and/or 400 MHz), 1-H NMR parameter (300 MHz pattern generated), FT-IR, laser-Raman, and ESR."
IPCS Inchem
http://www.inchem.org/
"Authoritative information about the hazards of chemicals is essential if they are to be used safely. IPCS INCHEM consolidates a wide variety of information produced by a number of international bodies whose goal is to assist in the sound management of chemicals. IPCS INCHEM provides a means of rapid access to information on chemicals commonly used throughout the world, which may also occur as contaminants in the environment and food."
Jane's Chem-Bio Web
http://chembio.janes.com/
"The online Web service that updates articles and reference information on chemical-biological threats for the security and public safety professional."
Material Safety Data Sheets
http://www.phys.ksu.edu/~tipping/msds.html
A guide to finding MSDSes in various locations on the Internet. A MSDS contains basic information about a chemical substance, its known hazardous effects, and safety and handling instructions.
NanoWorld
http://www.uq.oz.au/nanoworld/nanohome.html
Designed to create "an understanding of the structure and composition of all materials at atomic, molecular, cellular and macromolecular scales..." this site provides microscope images of different substances-organic and non-organic. The images are from electron microscopes, light microscopes and X-ray diffraction equipment, along with information about the various types of equipment. Includes links to related resources.
The 1986 CODATA Recommended Values of the Fundamental Physical Constants http://physics.nist.gov/cuu/Constants/index.html?/codata86.html
This document gives the values of the basic constants and conversion factors of physics and chemistry resulting from the 1986 least-squares adjustment of the fundamental physical constants as published by the CODATA Task Group on Fundamental Constants and as recommended for international use by CODATA. Just click on the name of the constant, and up pops a page with the values. Unfortunately, the values are presented as very large scanned images of the pages, so you'll need a graphical browser to get the data.
NIST Chemistry WebBook
http://webbook.nist.gov/
"The NIST WebBook will provide access to the full array of data compiled and distributed by NIST under the Standard Reference Data Program. The NIST Chemistry WebBook contains: Thermochemical data for over 6000 organic and small inorganic compounds; Enthalpy of formation; Enthalpy of combustion; Heat capacity; Entropy; Phase transition enthalpies and temperatures; Vapor pressure; Reaction thermochemistry data for over 9000 reactions; Enthalpy of reaction; Free energy of reaction; IR spectra for over 8700 compounds; Mass spectra for over 12,000 compounds; UV/Vis spectra for over 400 compounds; Electronic and vibrational spectra for over 4000 compounds; Constants of diatomic molecules (spectroscopic data) for over 600 compounds; Ion energetics data for over 16,000 compounds; Thermophysical property data for 33 fluids; You can search for data on specific compounds in the Chemistry WebBook based on name, chemical formula, CAS registry number, molecular weight, chemical structure, or selected ion energetics and spectral properties."
Nobel Prizes in Chemistry
http://userpage.chemie.fu-berlin.de/diverse/bib/nobel_chemie_e.html
A listing of the winners of the Chemistry Nobel Prize, and what they won it for. The page is also available in German.
Organic Chemistry Resources Worldwide
http://www.organicworldwide.net/
"Organic Chemistry Resources Worldwide is focused on synthetic organic chemists involved in academic or industrial research. Its mission consist in collecting and independently annotating all useful organic chemistry sites and to present them in an intuitive way."
The Periodic Table of Comic Books
http://www.uky.edu/Projects/Chemcomics/
"Two members of the Department of Chemistry at the University of Kentucky, Jim Holler and Jack Selegue, have set forth to make known any and all references to the elements that can be found in comic books. Simply click on the desired element in the periodic chart and be whisked to another page to view scans of the actual comic book pages containing the reference." With each element they explain the history, its physical properties, and key data. This is an interesting resource to introduce chemistry for someone who loves comic books.
Periodic Table Toolbox http://library.thinkquest.org/11771/english/hi/chemistry/periodic/
"This feature allows you to add different elements together to make a custom compound, which will be displayed with accompanying information such as Atomic Mass and Charge." This site requires Internet Explorer 3.0 or Netscape Navigator 2.0 or higher.
PSIgate: Physical Sciences Information Gateway
http://www.psigate.ac.uk/
"PSIgate aims to provide high quality Internet resources for students, researchers and practitioners in the physical sciences, specifically in: astronomy, chemistry, earth sciences, physics, and science history and policy. Along with the other hubs that make up the RDN, PSIgate provides an online database of relevant, high quality Internet resources, the Internet Resource Catalogue (IRC). Each resource has been selected by information professionals and subject specialists to ensure relevance and quality. A full description of each resource is provided, together with direct access to the resource itself."
Reade Advanced Materials
http://www.reade.com/
A commercial site, this also offers significant technical information on high technology specialty chemical compositions manufactured by the company. It also contains significant educational information valuable to global users of specialty chemical particle materials in the R&D and industrial sectors. Background briefings on particles, molecules & angstroms, a large MSDS safety library, dust explosion safety information on various powders , magnetic and conductive properties of inorganic powders, briefings on specific gravity, density, & surface area, numerous powder conversion charts along with over 400 industry web links within the industrial R&D, specialty chemical, and metallurgical business sectors. Browse the product database for physical properties of elements and compounds, industrial applications.
SelectScience
http://www.selectscience.net/
"SelectScience is an online, independent information service for laboratory scientists. It helps consumers to make informed decisions when purchasing. SelectScience also provides additional information services. Up to date news, jobs, conferences, editorial features and links to other sites are key features. SelectScience is the scientists' choice."
Sheffield ChemDex
http://www.chemdex.org/
A directory of chemistry-related resources on the Internet, browsable by a variety of categorical listings.
Table of the Nuclides
http://atom.kaeri.re.kr/
"A clickable chart presenting all known nuclides."
This to That
http://www.thistothat.com/
"A simple, practical guide to finding the right adhesive. Select the two types of materials that you plan to glue together, and get impartial product recommendations with information on toxicity, time to adhere, cost, and more. Glue trivia, history, and humor complete the offering."
WebElements
http://www.webelements.com/
"WebElements aims to be a high quality source of information on the WWW relating to the periodic table. Coverage is such that professional scientists and students at school will all find something useful. You will find thousands of graphics showing elements structures and periodic properties here. Currently, most information is about the elements themselves but the scope of WebElements will include simple compounds as well in the future." Click on an element's symbol in the periodic table and get detailed information about the element, along with graphics and images. There are also several chemistry-related calculators. A Scholar Edition for students is also in the works.
WWW Chemicals
http://www.chem.com/
Search engine of chemical catalogs. Allows searching by chemical name, CAS number, field of expertise, molecular formula, etc.