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Chemical Elements

Silicon

atomic number of silicon, periodic table, Latin word, flint, oxygen

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Silicon, symbol Si, semimetallic element that is the second most common element on Earth, after oxygen. The atomic number of silicon is 14. Silicon is in group 14 (or IVa) of the periodic table. It was first isolated from its compounds in 1823 by the Swedish chemist Baron Jons Jakob Berzelius. The elementís name comes from the Latin word for flint, a mineral that contains silicon.

Contributors

Kreidl, Norbert J., Ph.D.

Late Professor Emertius of Ceramic Engineering, University of Missuori at Rolla. Coeditor, "Glass: Science and Technology".

Lewin, Seymour Z., M.S., Ph.D.

Professor of Chemistry, New York University.



Article key phrases:

atomic number of silicon, periodic table, Latin word, flint, oxygen, compounds, IVa, Earth, group

 
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