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The radius of second orbit of hydrogen atom is same as that of orbit (n) of an ion (x). n and x are respectively

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The radius of the nth Bohr orbit is proportional to $n^2$ and inversely proportional to Z ($r_n \propto n^2/Z$). This relationship is key to solving comparison problems between different orbits and different hydrogen-like atoms.

Updated On: Mar 30, 2026

4, Be$^{2+}$
3, Li$^{2+}$
4, Be$^{3+}$
2, He$^+$

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The Correct Option is C

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The radius of second orbit of hydrogen atom is same as that of orbit (n) of an ion (x). n and x are respectively

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The Correct Option is C

Solution and Explanation

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