Question

Calculate the electron density. (Given: Charge on electron=1.6×10-19C).

Answer 1

q=ne

$

q=it

it=ne

2/1.6*19C =n

n=20/16*(15 electron)

5/710*(15 electron)

n=1.2510*(15 electron)

                                     I hope this will better help u ;-P