Periodic Table
T-Shirts & more
from the

Merch Store

previous home next

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:

  Text Search:       

Periodic Tables from the year -2000:

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

2000 BCE

Discovery of Sulfur (Sulphur)


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.

Top of Page

2000 BCE

Discovery of Mercury


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.

Top of Page

previous home next
What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

Queries, Suggestions, Bugs, Errors, Typos...

If you have any:

Suggestions for links
Bug, typo or grammatical error reports about this page,

please contact Mark R. Leach, the author, using

This free, open access web book is an ongoing project and your input is appreciated.