Periodic Table of the Elements - Available in 6 languages. Provides information on each element, crystallographic data, physical properties, thermal properties, ionization energies, abundance, isotopes and reduction potentials. 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. ChemicalElements.com - Provides information on the 109 named elements plus elements 110 - 112. EnvironmentalChemistry.com: Periodic Table of Elements - [Very comprehensive data, write-ups, extensive listing of nuclides] Data on elements includes scores of properties, element names in a dozen languages and almost all known nuclides. Environmental chemistry articles round out site. Chemicool Periodic Table - [Detailed information on each element, no write-ups] It's Elemental - The Periodic Table of Elements - [Detailed data] Interactive periodic table. Including melting point, density, element history and crustal and oceanic abundance. The Periodic Table Challenge - [No element data] An auto-scored blank periodic table. The user fills it in online and the score is returned automatically. The Periodic Table - A printable periodic table. PDF format. The Wooden 'Periodic Table' Table - [Basic data] Based on a wooden 'periodic table' table. Contains photographs of over 200 element samples, with descriptions, experiments, and stories about many of them. Winner of the 2002 Ig Nobel prize in Chemistry. Proton Don - Funbrain Periodic Table Game - A fun way for youngsters to learn the periodic table. Includes learning by symbol or by name. A Periodic Table of the Elements at Los Alamos National Laboratory - [Very basic data, detailed write-ups] The Chemical Science and Technology division's Periodic Table describes the history, properties, resources, uses, isotopes, forms, costs, and other information for each element. WebElements - [Very comprehensive, includes very detailed write ups, basic nuclide data, extensive graphics] Professional scientists and students at school will all find something useful. Includes thousands of images relating to periodicity and structure. Periodic Table - [Detailed data] American Chemical Society's periodic table with visual electronic configurations and interactive plots of physical and chemical properties. Requires Flash. Printable Periodic Table - [Very basic data] Minimalist table that provides symbols, atomic numbers, and atomic weight with four significant figures. Elementymology and Elements Multidictionary - Explains the origins of the names of the chemical elements and lists element names in scores of languages. PTE Periodic Table of the Elements - [Very basic data, includes writeups, Requires Javascript] X-Ray Properties of the Elements - [X-ray properties only] X-ray properties of most of the elements. Printable Periodic Table - [Very basic data, requires Adobe Acrobat Reader] PDF of the Periodic Table arranged in different formats. Files only contain elements' symbols, names and atomic number. Dynamic Periodic Table - Interactive periodic table with dynamic layouts showing names, electrons, sliders, trend visualization, and instant search. Includes full descriptions, PDFs, and PNG. On-line The Periodic Table of Elements - [Basic data, requires JavaScript] Includes historical information about the elements in Italian, but the table itself is in English. Gordon England's Periodic Table of the Elements - [Detailed data] The Extended Periodic Table of the Elements - [No elemental data] Alternate versions of the extended periodic table. Include information on symmetry and electronic configurations. Periodic Table of the Elements - [Basic data]Interactive periodic table of the elements Model Periodic Table - Model Science Software - [Basic data] Interactive periodic table by Model Science Software. Available in English and Spanish, web based, Windows and Mac versions. Includes customizable quiz features. eFunda: Periodic Table - [Basic data] Interactive periodic table. Includes electrical resistivity, vaporization enthalpy and heat capacity. Lenntech Periodic Table - Interactive periodic table. Containing physical data, chemical properties and health and environmental effects. Available in five languages. Infoplease.com: Periodic Table - An interactive periodic table with information about each element including the symbol, boiling point, melting point, discoverer and origin. Table of the Nuclides - [Nuclide data only, very extensive listing of nuclides] Map of all known nuclides, with their atomic mass, radioactive decay modes and half-lives, and related information. Brookhaven National Laboratory. DreamWave Periodic Table of the Elements - An interactive javascripted periodic table, which contains basic element properties. 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. NIST Ground Levels and Ionization Energies for the Neutral Atoms - [Basic] Periodic table includes ground-state electron configuration, ground-state level, ionization energy, state and frequently used fundamental physical constants. Interactive Periodic Table - [Basic] An interactive period chart of the elements. Periodic Table of Parameters - [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. Engineers Edge - [Basic] Simple periodic table of elements. The Periodic Table - Features an interactive table based on the IOUPAC 1985 standard. The Elements and Isotopes - The Elements and Isotopes is a comprehensive application that will display information from the Periodic Table and the Table of the Isotopes. InfoFries - PDF Periodic Tables - Provides various printable periodic tables in PDF format - from the simplest to the very detailed. The Elements - Pictorial version of the periodic table including technical data, photographs and descriptions of thousands of minerals. ePeriodicTable - An interactive and clickable periodic table of the elements, which contains basic element properties and descriptions. Periodic Table of the Elements - [Basic data] Interactive periodic table. The Periodic Table of Videos - University of Nottingham - Short streaming videos about most every element on the periodic table. Visual Elements Periodic Table - Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information. Earth Scientist's Periodic Table - Nontraditional periodic table organized by charge. Designed to show trends in the natural sciences of geochemistry, mineralogy, and aqueous chemistry. Customizable Periodic Table - Traditional periodic table that can be customized with basic facts and printed in color or monochrome. Element facts include names, symbols, weights, atomic numbers, groups, and periods. The History of the Periodic Table of the Elements - A brief account of how Dmitri I. Mendeleev came up with the decisive idea of how to sort the elements in a more logical way. The Periodic Table of the Elements - [Basic data] Provides an annotated table, list of elements and more detailed information.