Periodic Table
Links
Lenntech Periodic table
http://www.lenntech.com/periodic-chart.htm
Interactive periodic table. Containing physical data, chemical properties and health and environmental effects. Available in five languages.
Model Periodic Table - Model Science Software
http://modelscience.com/PeriodicTable.html
[Basic data] Interactive periodic table by Model Science Software. Available in English and Spanish, web based, Windows and Mac versions. Includes customizable quiz features.
NIST Ground Levels and Ionization Energies for the Neutral Atoms
http://physics.nist.gov/PhysRefData/IonEnergy/ionEnergy.html
[Basic] Periodic table includes ground-state electron configuration, ground-state level, ionization energy, state and frequently used fundamental physical constants.
On-line The Periodic Table of Elements
http://www.themeter.net/elemen_e.htm
[Basic data, requires JavaScript] Includes historical information about the elements in Italian, but the table itself is in English.
Periodic Table ADventure
http://web.buddyproject.org/web017/web017/
[No data] Includes the history of the periodic table and information on the structure of atoms and the periodic table.
Periodic Table of Elements
[Basic data] Chemistrydata.com offers very basic information about elements in a searchable format. Includes a printable periodic table.
Periodic Table of Elements
http://atlas.chemistry.uoc.gr/ptoe/
[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.
Periodic Table of Elements
http://www.geocities.com/infoweb_rc/periodic.html
This site provides periodic tables complete with atomic number, symbol, name and atomic mass, all in one page. The periodic tables are in PDF format.
Periodic Table of Parameters
http://www.chamotlabs.com/Freebies/Table/parameters-table.html
[Basic] This table lists and describes some well documented and validated parameter sets available for modeling each element by Molecular Mechanics and Quantum Mechanics molecular modeling methods.
Periodic Table of the Elements
http://www.tabulka.cz/english/
[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.