Discuss how many milligrams of phosphorus are required, Chemistry

Discuss how many milligrams of phosphorus are required

Silicon has a face-centered cubic crystal structure with unit cell edge length of 5.43 A and four atoms per unit cell.

A. How many silicon atoms are there in 1 cm^3 of material?
N = atoms

B. Suppose you dope that 1- cm^3 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?
m = mg

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Chemistry: Discuss how many milligrams of phosphorus are required

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Chemistry: Discuss how many milligrams of phosphorus are required

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