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(Encyclopedia) silicone, polymer in which atoms of silicon and oxygen alternate in a chain; various organic radicals, such as the methyl group, CH 3, are bound to the silicon…

Silicon (Element)

(Encyclopedia) silicon, nonmetallic chemical element; symbol Si; at. no. 14; interval in which at. wt. ranges 28.084–28.086; m.p. 1,410°C; b.p. 2,355°C; sp. gr. 2.33 at 25°C; valence…

Silicon Valley

(Encyclopedia) Silicon Valley, an industrial region, approximately 20 mi (32 km) long, in the Santa Clara Valley between Palo Alto and San Jose, mainly in Santa Clara and San Mateo…

silicon carbide

(Encyclopedia) silicon carbide, chemical compound, SiC, that forms extremely hard, dark, iridescent crystals that are insoluble in water and other common solvents. Widely used as an…

Periodic Table of the Elements: Silicon

(Encyclopedia) Periodic Table of the Elements: SiliconAtomic Number:14Atomic Symbol:Si SiliconAtomic Weight:[28.084 28.086]ElectronConfiguration:2 · 8 · 4


(Encyclopedia) Si, symbol for the element silicon .


(Encyclopedia) Carborundum: see silicon carbide .


(Encyclopedia) microelectronics, branch of electronic technology devoted to the design and development of extremely small electronic devices that consume very little electric power.…