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If Radius of Ground State Hydrogen atom is 51 pm. Find out Radius of 5^th orbit of Li^2+ ions (in pm).

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If Radius of Ground State Hydrogen atom is 51 pm. Find out Radius of 5th orbit of Li2+ ions (in pm). (Closest Integer)

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\(r_5 = 51 \times \frac{(5)^2}{(3)}\)

\(= \frac{51 \times 25}{3}\)

\(= 425\) pm

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