Chemicool Periodic Table [ Teens/Mature Teens ] - Detailed information on each element. http://www.chemicool.com/

Chemistry / Periodic table Quiz [ Teens/Mature Teens ] - Millionaire type periodic table quiz. Has a link to other science quizzes. http://www.triv.net/html/Users1/u4237.htm

Chemistry.org Periodic Table [ Mature Teens ] - Interactive periodic table which includes enthalpy of fusion, vaporisation and molar heat capacity. Diagrams of electronic configurations and data graphs. http://chemistry.org/periodic_table.html

David's Whizzy Periodic Table [ Teens/Mature Teens ] - Applet-based table with visualizations of the electron shell model, the nucleus, the visual emission spectrum, and energy levels of the electrons. Also has interesting facts about each element represented. http://www.colorado.edu/physics/2000/applets/a2.html

EnvironmentalChemistry.com: Periodic Table of Elements [ Teens/Mature Teens ] - Comprehensive data on elements includes scores of properties and most known nucleotides. Element names in many languages. http://EnvironmentalChemistry.com/yogi/periodic/

Interactive Periodic Table [ Teens/Mature Teens ] - View an interactive periodic table that has information for all 109 elements. http://www.chemicalelements.com/

It's Elemental [ Teens/Mature Teens ] - Interactive periodic table, including melting point, density, element history and crustal and oceanic abundance. http://education.jlab.org/itselemental/

Periodic Table [ Teens/Mature Teens ] - Shockwave activity shows the periodic table of elements and allows the user to compare element properties of different metals, metalloids, and non-metals. Shockwave required. http://www.eoascientific.com/campus/science/multimedia/periodic_table/view_interactive

Periodic Table ADventure [ Teens/Mature Teens ] - Includes the history of the periodic table and information on the structure of atoms and the periodic table. http://web.buddyproject.org/web017/web017/

Periodic Table of the Elements [ Teens/Mature Teens ] - Available in many languages. Interactive periodic table that includes information on compounds, appearances and nuclear, physical and electronic properties. Needs Flash. http://www.jergym.hiedu.cz/~canovm/vyhledav/chemici5.html

Periodic Table of the Elements [ Teens/Mature Teens ] - Includes combining capacity and online print version. http://members.shaw.ca/cpf99/Periodic-table-of-the-elements.html

Periodic Table of the Elements [ Kids/Teens/Mature Teens ] - History of each element, atomic number, symbol, electron configuration, isotopes, its properties and its cost. http://periodic.lanl.gov/

Printable Periodic Table [ Teens/Mature Teens ] - Printable table that provides symbols, atomic numbers, and atomic weight with four significant figures. http://www.swansontec.com/selement.htm

Proton Don - Funbrain Periodic Table Game [ Kids/Teens ] - A fun way for youngsters to learn the periodic table. Includes learning by symbol or by name. http://www.funbrain.com/periodic/

The 'Periodic Table' Table [ Kids/Teens/Mature Teens ] - Based on a wooden 'periodic table' table. Contains photographs of over 200 element samples, with descriptions, experiments, and stories about many of them. http://www.theodoregray.com/PeriodicTable/

The Comic Book Periodic Table of the Elements [ Kids/Teens ] - Contains comic book images linked to the chemical elements via the periodic table. Comics include Uncle $crooge, Metal Men, Metamorpho, Batman, Fantastic Four, and Superman. http://www.uky.edu/Projects/Chemcomics/

The Periodic Table [ Kids/Teens/Mature Teens ] - A printable periodic table. [PDF] http://go.hrw.com/resources/go_sc/periodic/SSHK1PER.PDF

The Periodic Table Challenge [ Teens/Mature Teens ] - An auto-scored blank periodic table. The user fills it in online and the score is returned automatically. http://www.ilpi.com/genchem/periodicquiz.html

The Pictorial Periodic Table [ Teens/Mature Teens ] - Includes a printable periodic table, a cross-referenced list of nuclides, alternate styles, history, references, and many links. http://chemlab.pc.maricopa.edu/periodic/periodic.html

Visual Elements [ Teens/Mature Teens ] - Interactive visual table offering basic information about each element. http://www.chemsoc.org/viselements/pages/periodic_table.html