By imagining a gas to be a collection of tiny spheres, we were able to explain many features of the behavior of gases and estimate the number and size of molecules. The results gave further credibility to the idea that atoms exist, but the numbers were imprecise, yielding estimates of Avogadro’s number and atomic sizes accurate only to within an order of magnitude, i.e., only to within a factor of ten.
KeywordsPotential Energy Electric Charge Electric Potential Point Charge Electric Force
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