The radius of germanium (Ge) nuclide is measu | vedclass

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(A) The radius of a nucleus is given by the relation $R = R_0 A^{1/3}$,where $A$ is the number of nucleons.Therefore,the ratio of the radii of two nuc

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$72$

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(A) The radius of a nucleus is given by the relation $R = R_0 A^{1/3}$,where $A$ is the number of nucleons.Therefore,the ratio of the radii of two nuclei is given by $\frac{R_1}{R_2} = \left(\frac{A_1}{A_2}ight)^{1/3}$.Given that $R_{Ge} = 2 R_{Be}$ and $A_{Be} = 9$.Substituting these values into the formula:$2 = \left(\frac{A_{Ge}}{9}ight)^{1/3}$.Cubing both sides,we get $2^3 = \frac{A_{Ge}}{9}$.$8 = \frac{A_{Ge}}{9}$.$A_{Ge} = 8 	imes 9 = 72$.Thus,the number of nucleons in germanium is $72$.

The radius of germanium $(Ge)$ nuclide is measured to be twice the radius of ${ }_4^9 Be$. The number of nucleons in $Ge$ will be

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