Question

The radius of a shell for H-atom is 4.761Aº. The
value of n is :-
(1) 3 (2 9 (3) 5 (4) 4​

Answer 1

Radius of the nth shell in a 1 electron species like Hydrogen is given by the formula,

$0.529 \times {n}^{2} \times {10}^{ - 10} m$

Here,

${n}^{2} = \frac{4.761}{0.529}$

${n}^{2} = 9$

$n = 3$

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Answer 2

Answer:

n=3

Explanation:

 n^2=9

n=3