Periodic Table |
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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).
| Year: 1824 | PT id = 793, Type = element |
Discovery of Silicon
Si
Silicon, atomic number 14, has a mass of 28.085 au.
Silicon makes up 25.7% of the earth's crust, and after oxygen is the second most abundant element.
Silicon was first isolated in 1823 by J. Berzelius.
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| What is the Periodic Table Showing? | Periodicity |
© Mark R. Leach Ph.D. 1999 –
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