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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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Periodic Table formulations from the year -2000:

2000 BCE   Discovery of Sulfur (Sulphur)
2000 BCE   Discovery of Mercury


2000 BCE

Discovery of Sulfur (Sulphur)

S

Sulfur, atomic number 16, has a mass of 32.068 au.

Sulfur is a pale yellow, odourless, brittle solid.

Sulfur had its earliest use in about 2000 BCE. It was discovered by Chinese/Indians.

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2000 BCE

Discovery of Mercury

Hg

Mercury, atomic number 80, has a mass of 200.592 au.

Mercury had its earliest use in about 2000 BCE, and the oldest sample dates from 1500 BCE. It was discovered by Chinese/Indians and the earliest sample is from Egypt.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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