Silicon: silicon, a nonmetallic chemical element in the carbon family that makes up 277 percent of earth’s crust it is the second most abundant element in the crust, being surpassed only by oxygen. Video: what is silica - properties & definition silica is another name for the chemical compound silicon dioxide each unit of silica includes one atom of silicon and two atoms of oxygen. Description named from the latin word meaning “flint,” silicon is a shiny, blue-gray metallic substance it looks like a metal, but its other characteristics are more non-metallic than metallic. 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.
Our silicon page has over 250 facts that span 117 different quantities each entry has a full citation identifying its source areas covered include atomic structure, physical properties, atomic interaction, thermodynamics, identification, atomic size, crystal structure, history, abundances, and nomenclature. Silicon is the second element in the fourteenth column of the period table it is classified as a member of the metalloids silicon is the eighth most abundant element in the universe and the second most abundant in the earth's crust after oxygen silicon atoms have 14 electrons and 14 protons with . The chemical compound silicon dioxide, also known as silica (from the latin silex), is an oxide of silicon with a chemical formula of sio2 and has been known for its hardness since antiquity silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms. Elements - descriptions, uses and occurrences element description physical characteristics of the element in its pure form silicon: hard metalloid:.
Silicon carbide: silicon carbide,, exceedingly hard, synthetically produced crystalline compound of silicon and carbon its chemical formula is sic since the late 19th century silicon carbide has been an important material for sandpapers, grinding wheels, and cutting tools. Silicon is the eighth most abundant element in the universe it is made in stars with a mass of eight or more earth suns near the end of their lives these stars enter the carbon burning phase, adding helium nuclei to carbon to produce oxygen, neon, magnesium and silicon. Chemical element element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter). Silicon is non-toxic as the element and in all its natural forms, nameli silica and silicates, which are the most abundant elemental silicon is an inert material, which appears to lack the property of causing fibrosis in lung tissue.
Comprehensive information for the element silicon - si is provided by this page including scores of properties, element names in many languages, most known nuclides and technical terms are linked to their definitions. Because silicon is an important element in high-technology semiconductor devices, many places in the world bear its name for example, . Define silicon silicon synonyms, silicon pronunciation, silicon translation, english dictionary definition of silicon n symbol si a nonmetallic element occurring extensively in the earth's crust in silica and silicates, having both a brown amorphous and a gray lustrous.
Grade description kanthal globar sd: elements suitable for most applications in which silicon carbide elements are used kanthal globar sd sic heating elements feature hot zones of recrystallized silicon carbide, optimized for resistance to oxidation and common process gases. Silicon is the 14th element on the periodic table it's a metalloid, meaning it has properties of both metals and nonmetals, and is the second most abundant element in the earth's crust, after oxygen. This webelements periodic table page contains physical properties for the element silicon. Silicon is the basic material used to make computer chips, transistors, silicon diodes and other electronic circuits and switching devices because its atomic structure makes the element an ideal semiconductor. A concise description of kanthals’broad range of silicon carbide heating elements is provided on the following 3 pages in many cases, the reason to choose one element type in preference to.
Silicon (si) is the second most abundant element by weight on earth, second only to oxygen it has fourteen protons in the nucleus, giving it an atomic number of fourteen. Definition of element in the earth’s crust, oxygen (47%) is the most abundant element, followed by silicon (28%) and aluminum (8%) element names and numbers. Silicon definition, a nonmetallic element, having amorphous and crystalline forms, occurring in a combined state in minerals and rocks and constituting more than one fourth of the earth's crust: used in steelmaking, alloys, etc symbol: si atomic weight: 28086 atomic number: 14 specific gravity: 24 at 20°c. Silicon is the element to thank for the computer you're using to read these words a crucial component in microelectronics and computer chips, this extremely common element is also responsible for .
Silicon is the second most abundant element on earth, second only to oxygen with four electrons in its outer shell, it readily combines with oxygen to form silicon dioxide. Silicon: description your user agent does not support the html5 audio element silicon is present in the sun and stars and is a principal component of a class of meteorites known as aerolites silicon makes up 257% of the earth's crust by weight, and is the second most abundant element, exceeded only by oxygen. The description of the element in its natural form the element silicon is used extensively as a semiconductor in solid-state devices in the computer and .