Suppose that we could line up helium atoms side by side in
The diameter of a helium atom is about 1 x 10^2 pm. Suppose that we could line up helium atoms side by side in contact with one another. Approximately how many atoms would it take to make the distance from one end 1 cm?
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the diameter of a helium atom is about 1 x 102 pm suppose that we could line up helium atoms side by side in contact
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