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How many electrons does silicon have?

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Quick Answer

An atom of silicon has 14 electrons. Its atomic number is 14, and its atomic weight is 28.085 atomic mass units. The electronic configuration of silicon is [Ne] 3s2 3p2.

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Full Answer

Silicon was discovered in 1824 by Jons Berzelius. The symbol for silicon is Si. It is a solid at room temperature and classified as a semi-metal. It belongs to group 14 and period 2 of the periodic table of elements. The melting point of silicon is 2,577 degrees Fahrenheit, and its boiling point is 5,909 degrees Fahrenheit. The density of silicon is 2.3296 grams per cubic centimeter. Silicon exists in crystalline and amorphous forms at room temperature.

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