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a. Give the expression for the radius of...

a. Give the expression for the radius of a nucleus.
b. What is the ratio of the nuclear radii of `""_(79)^(197)Au and ""_(47)^(107)Ag`?
c. What is the ratio of their nuclear densities ?

A

`197 :107`

B

`47 : 79`

C

`79:47`

D

`1:1`

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