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The INTERNET Database of Periodic Tables

There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D.

Use the drop menus below to search & select from the more than 1100 Period Tables in the database:

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2019

Geological Periodic Table

Alvarez & Cordoba's Periodic Table of the Elements Associated with Geology [from Spanish using Google Translate]

"It is a simple and innovative table where each element has the shape of its respective crystalline system. It also has several novelties linked to earth sciences such as: illustrative images that show where the element can be found naturally on our planet, geochemical classification and different types of relevant characterizations (radioactivity, synthetics, alloys, majority elements in bark and mantle). Likewise, various useful tools were included in the area such as the well-known Bowen series, categorizations of compatible and incompatible elements, typical cases of the Piper diagram and Stiff diagrams.

"To increase the interaction and understanding between the user and the table, it has elements external to it (letters) that incorporate augmented reality, which allows learning in a simpler, didactic and entertaining way about the atomic structure of chemical elements in 3D. Just scan the back of the letter with your cell phone to see its structure."

Click the image to see the PDF file

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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This free, open access web book is an ongoing project and your input is appreciated.