The approximate radius of a H−atom is 0.05nm, and that of a proton is 1.5×10−15m. Assuming both the hydrogen atom and the proton to be spherical, calculate a fraction of the space in an atom of hydrogen that is occupied by the nucleus.
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Radius of H−atom = 0.05nm = 0.05×10−9
Radius of a proton = 1.5×10−15m
The volume behave like the third power of the raddi