A. 0.1 nm
B. 0.01 nm
C. 0.5 nm
D. None of these
The diameter of an atom is typically around 0.1 nm or 1 × 10 -10 m. the thickness of a piece of paper is typically around 0.05 mm or 5 × 10 -5 m. therefore, a piece of paper is about half a million atoms thick.
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