Imagine a unit of charge called the zorg. A chemist performs the oil drop experiment and measures the charge of each drop in zorgs . Based on the results listed here, what is the charge of the electron in zorgs (z)?
Drop# Charge (z)
A -3.9*10^-9
B -7.8*10^-9
C -5.2*10^-9
D -10.4*10^-9