Semiconductors, such as silicon, are the heart of the circuits that form the bas

Question

Semiconductors, such as silicon, are the heart of the circuits that form the basis for computers and other electronics. These materials are characterized by a gap in the energy, known as the band gap, between a filled valence band and an empty conduction band.

Given that an atom of a semiconductor has a diameter of 3.15 A , what is the maximum number of moles that fit in the channel of a processor chip that is 71.2nm long, 72.1nm , wide and 295nm thick? Assume that the atoms stack in a simple cubic arrangement?

Explanation / Answer

130 moles

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