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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 1993:

1993   WebElements: The Periodic Table on The Web
1993   Chemistry Imagined: The Periodic Table
1993   Huheey's Version of The Madelung Rule (For Orbital Filling)

Year:  1993 PT id = 114

WebElements: The Periodic Table on The Web

Mark Winter's WebElements was started in 1993 when it was one of the first websites on the internet.

Mark Leach's Chemogenesis web book uses the WebElements periodic table as its master data source, and it does not attempt to duplicate it.

Abundance of elements (Earth's crust)
Abundance of elements (oceans)
Abundance of elements (sun)
Abundance of elements (Universe)
Abundance of elements (in human body)
Accurate mass of the isotopes
Atomic number
Atomic weight
Biological role
Block in periodic table
Boiling point
Bond enthalpy (diatomics)
Bond length in element
Colour (color)
Covalent radius
Crystal structure
Electrical resistivity

Electronic configuration
Element bond length
Enthalpy of atomization
Enthalpy of fusion
Enthalpy of vaporization
Examples of compounds
Group name numbers
Health hazards
History of the element
Ionic radius
Ionization energy
Isotope data
Key data
Meaning of name
Melting point
Molar volume
Names and symbols
Nuclear data
Origin of name

Oxidation states in compounds
Period in table
Properties of some compounds
Radius (atomic)
Radius (covalent)
Radius (ionic)
Radius (van der Waals)
Radius metallic (12)
Radioactive isotopes
Resistivity (electrical)
Shell structure
Standard atomic weights
Standard state
Structure of element
Thermal conductivity
Van der Waals radius
X-ray crystal structure

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Year:  1993 PT id = 905

Chemistry Imagined: The Periodic Table

From Roald Hoffmann & Vivian Torrence's book, Chemistry Imagined: Reflections of Science, a picture entitled The Periodic Table:

Thanks to Marcus Lynch for the tip!

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Year:  1993 PT id = 1268

Huheey's Version of The Madelung Rule (For Orbital Filling)

Huheey, J.E., Keiter, E.A., Keiter, R.L.: Inorganic Chemistry: Principles of Structure and Reactivity. 4th edn. HarperCollins College Publishers (1993), p. 22

René Vernon comments: "A peculiar depiction of the Madelung Rule order of filling diagram."

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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