Estimate the fraction of of unoccupied atomic sites in lead (Pb) at a temperature 10K below its melting point.

DATA:
Vacancy Fraction, nv/N T (degrees C)
1.8*10^-7 100
7.2*10^-6 200

Express your answer in terms of vacancy fraction, nv/N:

2 answers

1*10^-4
1*10^-4