Question: Silicon has the diamond structure (Figure 12.30(a)) with unit cell edge length of 5.43 and eight atoms per unit cell. (a) How many silicon

Silicon has the diamond structure (Figure 12.30(a)) with unit cell edge length of 5.43 Å and eight atoms per unit cell.
(a) How many silicon atoms are there in of material?
(b) Suppose you dope that 1- sample of silicon with 1 ppm of phosphorus that will increase the conductivity by a factor of a million. How many milligrams of phosphorus are required?

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