Asked by dato

Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−8 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Si matrix is negligible, what is the density of free charge carriers (free carriers/cm3) in this Si crystal?
Answered by someguy
As its Si: 5.00*10^22 / (gallium level*10^-2)
Answered by anonymous
this one is wrong
Answered by Yamy
5.00*10^22 / (gallium level*10^-8)
Answered by student
i cant get right answer pls help
Answered by baba
1.54e13
Answered by MIT2
CHEAT!

Do NOT help this person. They are trying to cheat in a midterm exam.
Answered by Odesa
(6.023*10^23)/(12.05)=m
m*(3.091*10^-8)*(10^-2)=
Answered by Anonymous
funny enough all those who say cheat only post afterthe answer are revealed. thank to MIT2
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