2. Atoms & Elements
Millikan Oil Drop Experiment
4PRACTICE PROBLEM
Calculate the number of electrons needed to produce a charge of -2.0 C and calculate their mass.
Calculate the number of electrons needed to produce a charge of -2.0 C and calculate their mass.
ANSWERS OPTIONS
A
4.5x1019 electrons, 2.9 x10-7 g
B
1.3x1019 electrons, 2.9 x10-7 g
C
1.3x1019 electrons, 1.1 x10-8 g
D
4.5x1019 electrons, 1.1 x10-8 g