Question

Chemical analysis of a germanium crystal reveals indium at a level of 0.0003091 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Ge matrix is negligible, what is the density of free charge carriers (free carriers/cm3) in this Ge crystal?

Answer 1

13644332370000000000

Answer 2

Answer : 13644332370000000000

Answer 3

answer =1.3724*10^19

Answer 4

thanks

Answer 5

1.54*10^17

Answer 6

the answer above are not make sense

Answer 7

1.4e17