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The nucleus and an atom can be assumed ...

The nucleus and an atom can be assumed to be spherical. The radius of atom is on `Å` if the mass number is 64, the fraction fo the atomic volume that is occupied by the nucleus is:

A

`1.0 xx10^(-3)`

B

`5.0 xx10^(-5)`

C

`2.5 xx10^(-2)`

D

`1.25 xx10^(-7)`

Text Solution

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The correct Answer is:
D
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