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- Silicon abstract "Silicon is a chemical element with the symbol Si and atomic number 14. It is a tetravalent metalloid, less reactive than its chemical analog carbon, the nonmetal directly above it in the periodic table, but more reactive than germanium, the metalloid directly below it in the table. Controversy about silicon's character dates to its discovery; it was first prepared and characterized in pure form in 1823. In 1808, it was given the name silicium (from Latin: silex, hard stone or flint), with an -ium word-ending to suggest a metal, a name which the element retains in several non-English languages. However, its final English name, first suggested in 1817, reflects the more physically similar elements carbon and boron.Silicon is the eighth most common element in the universe by mass, but very rarely occurs as the pure free element in nature. It is most widely distributed in dusts, sands, planetoids, and planets as various forms of silicon dioxide (silica) or silicates. Over 90% of the Earth's crust is composed of silicate minerals, making silicon the second most abundant element in the Earth's crust (about 28% by mass) after oxygen.Most silicon is used commercially without being separated, and indeed often with little processing of compounds from nature. These include direct industrial building-use of clays, silica sand and stone. Silica is used in ceramic brick. Silicate goes into Portland cement for mortar and stucco, and when combined with silica sand and gravel, to make concrete. Silicates are also in whiteware ceramics such as porcelain, and in traditional quartz-based soda-lime glass. More modern silicon compounds such as silicon carbide form abrasives and high-strength ceramics. Silicon is the basis of the ubiquitous synthetic silicon-based polymers called silicones.Elemental silicon also has a large impact on the modern world economy. Although most free silicon is used in the steel refining, aluminium-casting, and fine chemical industries (often to make fumed silica), the relatively small portion of very highly purified silicon that is used in semiconductor electronics (< 10%) is perhaps even more critical. Because of wide use of silicon in integrated circuits, the basis of most computers, a great deal of modern technology depends on it.Silicon is an essential element in biology, although only tiny traces of it appear to be required by animals. However, various sea sponges as well as microorganisms like diatoms and radiolaria secrete skeletal structures made of silica. Silica is often deposited in plant tissues, such as in the bark and wood of Chrysobalanaceae and the silica cells and silicified trichomes of Cannabis sativa, horsetails and many grasses.".
- Silicon thumbnail Silicon-unit-cell-3D-balls.png?width=300.
- Silicon wikiPageExternalLink silicon.htm.
- Silicon wikiPageExternalLink npgd0554.html.
- Silicon wikiPageExternalLink 014.htm.
- Silicon wikiPageExternalLink key.html.
- Silicon wikiPageID "27114".
- Silicon wikiPageRevisionID "602203270".
- Silicon b "y".
- Silicon bSearch "Wikijunior:The Elements/Silicon".
- Silicon book "Carbon group".
- Silicon book "Chemical elements".
- Silicon book "Period 3 elements".
- Silicon book "Silicon".
- Silicon commons "y".
- Silicon hasPhotoCollection Silicon.
- Silicon portal "Chemistry".
- Silicon v "y".
- Silicon vSearch "Silicon".
- Silicon wikt "y".
- Silicon wiktSearch "silicon".
- Silicon subject Category:Biology_and_pharmacology_of_chemical_elements.
- Silicon subject Category:Chemical_elements.
- Silicon subject Category:Dietary_minerals.
- Silicon subject Category:Metalloids.
- Silicon subject Category:Pyrotechnic_fuels.
- Silicon subject Category:Reducing_agents.
- Silicon subject Category:Semiconductor_materials.
- Silicon subject Category:Silicon.
- Silicon comment "Silicon is a chemical element with the symbol Si and atomic number 14. It is a tetravalent metalloid, less reactive than its chemical analog carbon, the nonmetal directly above it in the periodic table, but more reactive than germanium, the metalloid directly below it in the table. Controversy about silicon's character dates to its discovery; it was first prepared and characterized in pure form in 1823.".
- Silicon label "Krzem".
- Silicon label "Silicio".
- Silicon label "Silicio".
- Silicon label "Silicium".
- Silicon label "Silicium".
- Silicon label "Silicium".
- Silicon label "Silicon".
- Silicon label "Silício".
- Silicon label "Кремний".
- Silicon label "سليكون (عنصر كيميائي)".
- Silicon label "ケイ素".
- Silicon label "硅".
- Silicon sameAs Křemík.
- Silicon sameAs Silicium.
- Silicon sameAs Πυρίτιο.
- Silicon sameAs Silicio.
- Silicon sameAs Silizio.
- Silicon sameAs Silicium.
- Silicon sameAs Silikon.
- Silicon sameAs Silicio.
- Silicon sameAs ケイ素.
- Silicon sameAs 규소.
- Silicon sameAs Silicium.
- Silicon sameAs Krzem.
- Silicon sameAs Silício.
- Silicon sameAs m.025sf80.
- Silicon sameAs Q670.
- Silicon sameAs Q670.
- Silicon wasDerivedFrom Silicon?oldid=602203270.
- Silicon depiction Silicon-unit-cell-3D-balls.png.
- Silicon isPrimaryTopicOf Silicon.