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Transcript of ELEMENT PROJECT-SILICON
SILICON We can find silicon in:
rock crystals, and
sand. 14 SI Silicon 28.086 <--- Atomic Number <--- Atomic Symbol <--- Element Name <--- Atomic Mass Silicon was discovered by Jöns Jacob Berzelius, a Swedish chemist, in 1824 of Matter: SOLID Metalloid PERIOD: 3 GROUP: DENSITY: 2.33g/cm 3 ATOMIC RADII:111 Pm Silicon is commonly used
in the construction industry. Silicon is also used to produce ultra-pure silicon wafers used in the semiconductor industry and other electronics Silicon is important in everyday life, because it is used in compounds to make so many important things we use. For example, silicon is used to make steel and glass. We use and see these things almost everyday. Its also in computer chips. IMPORTANCE SILICON ORBITAL has been suggested to improve
the thermal conductivity
of semiconductors. Si-28 Si-30 has been used to produce
the radioisotope ISOTOPES - Silicon is in suns and stars - Is the 2nd most abundant element in the earths crust. - Never occurs as a free element, meaning, it is always mixed with an other element. - Silicon Gel is often used for breast implants in women. BY: CRYSTAL :) State 14 silicon wafers: thin slices of materical like slicon crystals used in fabrication of circuits and other micro devices