How many carbon atoms does it take to produce a layer one atom deep that is the size of the period at the end of the next sentence? Assume the area covered by the period is 0.2 mm2 and that one carbon atom has a diameter of 160 pm and covers an area of 0.02 nm2.
A) 1.0* 1012
B) 1.0 * 1011
C) 1.0 *107
D) 1.0 * 1013
E) 2.0 * 106
Correct Answer:
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