22. Periodic Table of the Elements
[Basic data, includes printable version] Information on each of the chemical elements and data on their properties. Some site information is only in Czech language.
http://www.tabulka.cz/english/
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Rating: [5.83] Votes: [97] Hits: [265] | May 20, 2006 |
23. Periodic Table of Elements
[Detailed] Includes general information about an element, atomic number and weight, shells and filling orbital, melting and boiling point, covalent and atomic radius, and lots of other parameters.
http://atlas.chemistry.uoc.gr/ptoe/
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Rating: [5.53] Votes: [72] Hits: [290] | May 20, 2006 |
24. Analytical Science and Instruments Limited
Providing information to the scientific community on all aspects of the analytical sciences in education, chemical suppliers, consultancies, instrumentation and research.
http://www.analytical-science.com
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Rating: [5.87] Votes: [69] Hits: [287] | May 20, 2006 |
28. Periodic Table
[Detailed data] American Chemical Society's periodic table with visual electronic configurations and interactive plots of physical and chemical properties. Requires Flash.
http://center.acs.org/periodic/tools/PT.html
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Rating: [0.00] Votes: [0] Hits: [345] | May 20, 2006 |
29. Polymer Database PoLyInfo
Provides free access to data required in polymeric material design - structures, names, and properties of monomers and polymers, polymerization information.
http://polymer.nims.go.jp/polyinfo_top_eng.htm
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Rating: [4.84] Votes: [78] Hits: [261] | May 20, 2006 |
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