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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 holds information on periodic tables, the discovery of the elements, the elucidation of atomic weights and the discovery of atomic structure (and much, much more).

   Use the drop menus or search box (below) to Select or Search the 1400 entries in the database: 

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Periodic Tables from the year -1000 :

1000 BCE   Zinc, Discovery of
Year:  1000 BCE PT id = 810, Type = element

Discovery of Zinc

Zn

Zinc, atomic number 30, has a mass of 65.38 au.

Zinc had its earliest use in about 1000 BCE, and the oldest sample dates from 1000 BCE. It was discovered by Indian metallurgists and the earliest sample is from the Indian subcontinent.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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