![]() In contrast to silicon, the concentrations of germanium and tin in Earth’s crust are only 1–2 ppm. ![]() Periodic Table of Elements - Silicon - Si. If you need to cite this page, you can copy this text: This database focuses on the most common chemical compounds used in the home and industry. Molar mass calculations are explained and there is a JavaScript calculator to aid calculations. Molar Mass Calculations and Javascript Calculator.Introduces stoichiometry and explains the differences between molarity, molality and normality. Related ResourcesĪnswers many questions regarding the structure of atoms. Common Chemical Compounds of Silicon ReferencesĪ list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.Additional Notes: Silicon carbide (SiC) is one of the hardest substances known.Silicon is also used in solar cells, tools, cement, grease and oils. It is used as a semiconductor to make microchips for electronics (like your computer). Uses of Silicon: Used in glass as silicon dioxide (SiO 2).Primary mining areas are Austria, Italy, India, South Africa, Australia, Canada, USA, Brazil. Approximate annual world production wide production: electronics grade pure silicon, 5000 tons metallurgical grade, 480,000 tons ferrosilicon, 3,400,000. Makes up major portion of clay, granite, quartz (SiO 2), and sand. Sources of Silicon: Silicon is the second most abundant element and comprises 25% of the earth's crust.Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances. ![]() Target Organs: Eyes, skin, respiratory system.Routes of Exposure: Inhalation Ingestion Skin and/or eye contact.TWA: 10 mg/m 3 total particulate 5 mg/m 3 respirable particulate.TWA: 15 mg/m 3 total particulate 5 mg/m 3 respirable particulate.Vapor Pressure = C Regulatory / Health.Flammablity Class: Combustible Solid in powder form.Enthalpy of Atomization: 439.3 kJ/mole 25☌.Conductivity Electrical: 2.52E -12 10 6/cm Ω.Coefficient of lineal thermal expansion/K -1: 4.2E -6.Valence Electron Potential (-eV): 144 Physical Properties of Silicon.Incompatibilities: Chlorine, fluorine, oxidizers, calcium, cesium carbide, alkaline carbonates.Electronegativity: 1.9 (Pauling) 1.74 (Allrod Rochow).Electrochemical Equivalent: 0.26197g/amp-hr.Valence Electrons: 3s 2p 2 Electron Dot Model.Number of Neutrons (most common/stable nuclide): 14.Number of Electrons (with no charge): 14.Electrons per Energy Level: 2,8,4 Shell Model.Electron Configuration: 1s 2 2s 2p 6 3s 2p 2.Crystal Structure: Cubic face centered.Cross Section (Thermal Neutron Capture) σ a/ barns : 0.171.Swedish: Kisel Atomic Structure of Silicon.Series: Metalloids ( Nonmetal) Silicon's Name in Other Languages.Common Chemical Compounds of Silicon Overview of Silicon.In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies. Common chemical compounds are also provided for many elements. Skip to site menu on this page Periodic Table of Elements Element Silicon - SiĬomprehensive data on the chemical element Silicon is provided on this page including scores of properties, element names in many languages, most known nuclides of Silicon. ![]()
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