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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 1100 Period Tables in the database:

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6000 BCE

Discovery of Gold

Au

Gold, atomic number 79, has a mass of 196.967 au.

Gold had its earliest use in about 6000 BCE, and the oldest sample dates from 4400 BCE. It was discovered by Bulgaria and the earliest sample is from Varna Necropolis.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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