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Paper thickness varies. Typically, 100 sheets are about a cm thick. Atoms typically vary from 1 to 3 angstroms in radius. (An angstrom is 10-10 m.) Suppose a piece of paper is 0.0073 cm thick. How many atoms span the thickness if the radius of the atom is 1.94 angstroms?
13 years ago

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Steve
7.3*10^-5 m * (1 atom/1.94*10^-10 m) = 3.76*10^5 atoms
13 years ago

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