(a) How many silicon atoms are there in each unit cell? (b) How many silicon atoms are there in one cubic centimeter? (c) Knowing that the length of a side of the unit cell (the silicon lattice constant) is 5.43 Å, Si atomic weight is 28.1, and the Avogdaro's number is 6.02 × 1023 atoms/mole, find the silicon density in g/cm³.
(a) How many silicon atoms are there in each unit cell? (b) How many silicon atoms are there in one cubic centimeter? (c) Knowing that the length of a side of the unit cell (the silicon lattice constant) is 5.43 Å, Si atomic weight is 28.1, and the Avogdaro's number is 6.02 × 1023 atoms/mole, find the silicon density in g/cm³.
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Transcribed Image Text:(a) How many silicon atoms are there in each unit cell?
(b) How many silicon atoms are there in one cubic centimeter?
(c) Knowing that the length of a side of the unit cell (the silicon lattice constant) is
5.43 Å, Si atomic weight is 28.1, and the Avogdaro's number is 6.02 × 10²3
atoms/mole, find the silicon density in g/cm³.
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