Chemistry

Problem

For the single-electron ion

{\rm Be}^{3+}

, answer the following: (i) Obtain the ratio of the radii of the electron orbits corresponding to

n=2

and

n=5

. (ii) Find the ratio of the corresponding orbital speeds. (iii) Calculate the percentage decrease in the magnitude of the total energy when the electron jumps from

n=2

n=5

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