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Silicon

Silicon. Atomic Number is 14 Symbol is Si Atomic Mass is 28.09. Pure Silicon . Silicon. Group 14 Carbon Family Metalloid Density of 2.33 g/cm 3 Silvery color Boiling point of 2355 o C Combustible solid when in powder form Melting point of 1410 o C Hardness of 6.5 Mohs Solid.

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Silicon

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  1. Silicon • Atomic Number is 14 • Symbol is Si • Atomic Mass is 28.09 Pure Silicon

  2. Silicon • Group 14 • Carbon Family • Metalloid • Density of 2.33 g/cm3 • Silvery color • Boiling point of 2355oC • Combustible solid when in powder form • Melting point of 1410oC • Hardness of 6.5 Mohs • Solid

  3. Silicon • Incompatibilities • Chlorine • Fluorine • Oxidizers • Calcium • Cesium Carbide • Alkaline Carbonates

  4. Isotopes • Si22 • 6ms • Si23 • >200ns • Si24 • 102ms • Si25 • 220ms • Si26 • 2.234s • Si27 • 4.16s • Si28 • stable • Si29 • stable • Si30 • stable

  5. Common Compounds • 1-Vinylpyrrolidone • Formula: (CH3)3-Si-[O-Si(CH3)2]n-O-Si-(CH3)3 • Calcium Silicate • Formula: CaSiO3 • Ethyl Silicate • Formula: (C2H5)4SiO4 • Methyl Silicate • Formula: (CH3O)4Si • Silica • Formula: SiO2 • Silicon • Formula: Si • Silicon Carbide • Formula: C8H10O2S • Formula: SiC • Silicon Tetrahydride • Formula: SiH4 • Talc • Formula: 3MgO-4SiO2-H2O • Formula: Mg3Si4O10(OH)2

  6. Discovery Of Silicon • Discoverer: Jons Berzelius • Date of Discovery: 1823 • Discovered in Sweden • Stable Life Span • Name Origin: From the Latin word silex (flint) • Uses: glass, semiconductors, computer chips • Obtained From: clay, granite, quartz, sand

  7. Impact Environmental Social Used many things people use everyday Used in technology Has a positive social impact • No negative environmental effects have been reported. • It is very sustainable

  8. Uses Cost Pure Silicon $5.4 per 100g Bulk Silicon $0.14 per 100g • Chips for computers and electronics • In engines • Enhances iron’s magnetic abilities • In concrete and bricks • In watches and clocks • Cookware • Medical implants • Adhesives

  9. Interesting Facts • The lowest purity electronic grade silicon can be is 99.9999999% pure. • Second most abundant element on our planet is Silicon. • 8th most abundant element in the universe is Silicon • Silicon is made in stars with a mass of eight or more Earth sun

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