Silicon has the diamond structure (Figure 12.30(a)) with unit cell edge length of 5.43 and eight

Question:

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?