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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:       

Periodic Tables from the year 1998:

1998   Gray's Wooden Periodic Table Table
1998   American Elements
1998   Perl Operators
1998   Silicon Graphics Workstation/Client
1998   NMR Nuclear Spin Periodic Table(s)
1998   Wheel of Motion Periodic Table
1998   Simpsons Periodic Table

Year:  1998 PT id = 116

Gray's Wooden Periodic Table Table

Theodore Gray's Wooden Periodic Table Tablea wooden table that incorporates a periodic table – is a treasure trove, both on the web and in reality (his office).

The web site contains over 12 gig of data and beautiful images. Explore!

Theo's new site is

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Year:  1998 PT id = 120

American Elements

Supplier & Element Industrial Information: American Elements

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Year:  1998 PT id = 178

Perl Operators

A periodic table of Pearl Operators: "Being a comprehensive and complete enumeration of the Operatic Elements of the Perl 6 Language, assembled and drawn with dedication and diligence by M. Lentczner as a service to both the Community and the Republic."

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Year:  1998 PT id = 190

Silicon Graphics Workstation/Client

Silicon Graphics Workstation/Client periodic table:

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Year:  1998 PT id = 245

NMR Nuclear Spin Periodic Table(s)

An nuclear magnetic resonance (NMR) spectroscopy periodic table giving information the nuclear spins, etc., of the chemical elements, from the Bruker corporation website:

And, another:


The range of NMR active nuclei observable on a particular instrument is, in part, a function of the configuration of the spectrometer and the choice of available probes. The periodic tables below identify the nuclei that have resonance frequencies within the detection range of the Lake Forest College Inova and the EFT-60 NMR spectrometers.

The nuclei in red are I=1/2 and yield spectra with narrow, non-overlapping resonances. The nuclei in blue have quadrapolar moments and may give rise to broad or very broad resonances in their spectra.

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Year:  1998 PT id = 246

Wheel of Motion Periodic Table

The Wheel of Motion (WoM) representation of the periodic table of elements shows the periodic nature of the elements, as developed in the Reciprocal System of Physical Theory (RST).

It was originally developed by Douglas Bundy in 1998, a member of the International Society of Unified Science (ISUS). 

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Year:  1998 PT id = 376

The Simpsons Periodic Table

A Periodic Table from the Simpsons... look closely and it is not quite as expected...

Lisa Gets an "A" Season Ten (1998-1999) - 23 Episodes [204-226] Episode 210 Original Airdate on FOX: 22-Nov-1998

Skinner:       We can buy =real= periodic tables instead of these promotional ones from Oscar Meyer.

Krabappel:    Who can tell me the atomic weight of bolognium?

Martin:         Ooh ... delicious?

Krabappel:    Correct. I would also accept snacktacular.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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