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Practice MCAT Question - Q23 - Answer!

Which electric charge is possible?

A.  6.02 x 1023 C
B.  3.2 x 10-19 C
C.  2.4 x 10-19 C
D.  8.0 x 10-20 C

The correct answer is (B). The fundamental charge is 1.6 x 10-19 C. All net charges must be integer multiples of this value.

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