Sites of Interest for Freshman Chemistry Students

Periodic Table

http://javascript.internet.com/calculators/periodic-table.html

http://pearl1.lanl.gov/periodic/default.htm

The following sites are available from: www.lenntech.com

A water FAQ and a water glossary:

http://www.lenntech.com/Water-Glossary.htm

http://www.lenntech.com/Water-FAQ.htm

A periodic table:

http://www.lenntech.com/periodic-chart.htm

What makes this periodic chart unique is that you can click on the respective elements and it will not only show physical and chemical data of each element, but also health and environmental data.

The "matter cycles" and their pollution problems due to human interference:

http://www.lenntech.com/matter-cycles.htm

http://www.lenntech.com/matter-cycles-pollution.htm

The pages are also available in German, French, Spanish, and Dutch.

Sites of Interest for Organic Chemistry Students

Rasmol and Rasmac and Chime
Rasmol is a great modeling program that can show the 3-D structures of small organic molecules up to large biomolecules such as enzymes. Chime is a simalair program designed for web browsers-both are free.
http://www.umass.edu/microbio/rasmol/

Organic Nomenclature Tutorial and Stereochemistry Tutorial
http://www.sci.ouc.bc.ca/chem/nomenclature/nom1.htm

Advanced Chemistry Development's ChemSketch 3.5 Freeware
 Advanced Chemistry Development's ChemSketch 3.5 Freeware Now available for FREE, the most intuitive, most advanced PC-based all-purpose chemical drawing and graphics software. Chemical drawing is fast and simple with a wide variety of atom and bond type buttons. Control font, valence, line thickness, color, placement, etc. The package allows users to use templates or free hand, click and draw molecules, ions, stereobonds, text annotations, polygons, arrows, etc. Package also gives automatic calculation of molecular weight and formula and estimates of density, refractive index, molar volume, etc. Import/Export includes a variety of formats such as MOL, ISIS Sketch, ChemDraw, and GIF. Cut and paste structures and reactions into a word processor. Includes tautomer identifier, 3D optimizer and 3D viewer.
http://www.acdlabs.com/download

Los Alamos National Laboratory's Chemistry Division Periodic Table of the Elements
This site is really a resource for elementary, middle School, and high school students. However, you can click on an element to learn more.
http://pearl1.lanl.gov/periodic/default.htm

General Sites of Interest

MSDS
Great for looking up both physical data and chemical hazards.
http://siri.org/msds/

Hazardous Chemical Database
http://ull.chemistry.uakron.edu/erd/

Fundamental Physical Constants
http://physics.nist.gov/PhysRefData/codata86/codata86.html

American Chemical Society Chemcenter
Many chemical resources including Journals, Chemical news, databases, chemical resources, professional services, conferences, molecular modeling, chemical history and much more.
http://www.ChemCenter.org/

Yahoo Chemistry Listing:
http://www.yahoo.com/Science/Chemistry

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