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Chemistry
Elements and Compounds

How many atoms must be placed end-to-end to make a chain of atoms one-millionth meter long?

Answer

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June 28, 2008 9:38PM

An atom is about 10-11 meter in diameter, so to make a chain of them 10-6 meter long you would need about 10-6/10-11 =105 or 100,000 atoms.