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Si ( Silicon )

Keterangan

     Silicon is relatively inert. It is attacked by halogens and dilute alkali, but is not attacked by acids except hydrofluoric.
     Silicones are important products of silicon, prepared by hydrolysing a silicon organic chloride. Hydrolysis and condensation of substituted chlorosilanes can be used to produce a great number of polymers known as silicones, ranging from liquids to hard, glasslike solids, with many useful properties.

Nama lain (trademark, branding etc.)

Silicium, Křemík, Silicij, Silizium - r, Silicio, Кремний, Kisel

Spesifikasi Produk

Overview of Silicon
Atomic Number 14
Group 14
Period 3
Series Metalloids (Nonmetal)
Relative Atomic Mass (12C=12.000)  28.086
Boiling Point 2628K 2355°C 4271°F
Melting Point 1683K 1410°C 2570°F
Density/kg m-3  2329 (293K)
Ground State Electron Configuration  [Ne]3s23p2
Electron Affinity(M-M-)/kJ mol-1  -135
Discoverer Jöns J. Berzelius
Discovery Location Stockholm Sweden
Discovery Year 1824
Name Origin     Latin: silex (flint).

Aplikasi

     Silicon is one of the most useful elements to mankind. Sand and clay, which both contain silicon, are used to make concrete and cement. Sand is also the principal ingredient of glass, which has thousands of uses. Silicon is a component of steel, and silicon carbides are important abrasives and also used in lasers. Silicon is present in pottery and enamels, and in high-temperature materials.
     However, silicon is increasingly used in micro-electronic devices. The silicon is usually doped with precise, very small amounts of boron, gallium, phosphorus or arsenic for use in transistors, solar cells, rectifiers and other instruments.

Bahan Baku

Silicon, a tetravalent metalloid, is a chemical element with the symbol Si and atomic number 14. It is 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.

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