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  1. The volume occupied by an atom is greater than the volume of the nucleus by a factor of about
    1. 1015
    2. 101
    3. 105
    4. 1010
Correct Option: A

V ∝ r3

Vatom =
r3atom
× Vnucleus
r3nuclers

But
rnucleus
=
1
3
ratom105

Hence, Vatom = 1015 × Vnucleus



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