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1.An atom has a diameter of 1.00 Å and the nucleus of that atom has a...

1.An atom has a diameter of 1.00 Å and the nucleus of that atom has a diameter of 2.50×10−5 Å Determine the fraction of the volume of the atom that is taken up by the nucleus. Assume the atom and the nucleus are a sphere.

fraction of atomic volume:

2.Calculate the density of a proton, given that the mass of a proton is 1.0073 amu and the diameter of a proton is 1.68×10−15 m

density:

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