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What is the Periodic Table Showing? Periodicity

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. The database hold information on periodic tables, the discovery of the elements and elucidation of atomic weights (and more).

Use the drop menus or search box (below) to search & select from the more than 1350 Period Tables in the database: 

  Search by Text String:       

Periodic Tables from the year -3750:

3750 BCE   Carbon, Discovery of
Year:  3750 BCE PT id = 786, Type = element

Discovery of Carbon

C

Carbon, atomic number 6, has a mass of 12.011 au.

Carbon has many allotropes, including: graphite, diamond, graphene, C60, single wall nanotubes, etc.

Carbon had its earliest use in about 3750 BCE. It was discovered by Egyptians and Sumerians.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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