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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 1300 Period Tables in the database: 

  Text Search:       

Year:  2013 PT id = 613

Matrix Series Periodic Table

By Richard Kingstone, a Matrix Series Periodic Table. Read more here.

The Janet Periodic Table (aka Left Step Table) may be re-arranged as a series of square matrices. Each element is represented as a cell and is identified by the atomic number (Z), shown as the upper number of each cell.

The quantum numbers (n, l, mL, mS) determine the location of an element within the table. The quantum pair (n, l ) are the lower numbers in each cell. Four matrices are required, each matrix is identified by a 'matrix number' (a) as shown below;:

Matrix Periodic Table

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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