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Science Element Profile


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This is a Project that I had to do in School for Biochemistry class along with Art class. I Hope You enjoy! …

This is a Project that I had to do in School for Biochemistry class along with Art class. I Hope You enjoy!

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    • 1. ELEMENT PROFILE “Silicon” Tyrone Kidd
    • 2. Silicon
    • 3. ␏ Symbol
    • 4. Atomic Number
    • 5. Atomic Mass 28.086
    • 6. Electronic Configuration [Ne]3s23p2
    • 7. How many protons, neutrons and electrons? Protons Neutrons Electrons
    • 8. How many valence electrons? 4
    • 9. Atomic Structure Number of Energy Levels: 3 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 4
    • 10. What is silicon used for? It is used in the production of various product,s as in the in figures 1 ,2 and 3. Figure 2 Figure 3 Figure 1
    • 11. History Of Silicon In 1800, Davy thought silica to be a compound and not an element; but in 1811, Gay Lussac and Thenard probably prepared impure amorphous silicon by heating potassium with silicon tetrafluoride. In 1824 Berzelius, genera%y credited with the discovery, prepared amorphous silicon by the same general method and purified the product by removing the fluosilicates by repeated washings.
    • 12. How is Silicon Purified? Today, silicon is purified by converting it to a silicon compound that can be more easily purified by disti%ation than in its original state, and then converting that silicon compound back into pure silicon. Trichlorosilane is the silicon compound most commonly used as the intermediate, although silicon tetrachloride and silane are also used.
    • 13. Where is Silicon found? Pure silicon cannot be found in nature, though it makes up approximately 25.3-28.0% of the earth's crust, making it second in abundance (oxygen is first). Silicon is obtained by heating silica, or silicon dioxide with carbon or magnesium (or some reducing agent) in an electric furnace.
    • 14. Citations Bentor, Yinon. Chemical - Silicon. Apr. 29, 2009 <> Unversity Of California, quot;Silicon.quot; 12/15/2003 1. Web.30 Apr 2009. <>. Ms.Rainso. Silicon Braceletts. Germes Online, Http://www.germes- silicon_bracelets.html,Guangdong Province. China.
    • 15. AcknowledgeMents Parents My brother Terrnace *Mohamed Kenneh Mr Sherif