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Physics 9 Online
OpenStudy (anonymous):

what unit is used to measure the diameter of an electron cloud

OpenStudy (anonymous):

The Bohr radius! http://en.wikipedia.org/wiki/Bohr_radius In Angstroms, I take it.

OpenStudy (anonymous):

The Bohr radius is the distance between the nucleus and the lowest possible orbital's radius. (I think at the 95% drop off?)

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