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OpenStudy (anonymous):
The diameter of He atom is about 1 x10^2 pm. If we line up the helium atoms side by side in contact with one another, approximately how many He atoms would it take to make the distance from end to end 1cm? How do I go about this peoblem
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OpenStudy (anonymous):
Do you know the length of 1 pm [picometer)?
OpenStudy (anonymous):
I think you need to convert picometer to meter and meter to cm.
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