Question

what is the energy associated with 3rd energy shell of hydrogen atom

Answer 1

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Answer 2

Answer: Energy of the 3rd shell of hydrogen atom is -1.5122 eV.

Explanation: Energy associated to the n-shell of the Hydrogen atom is given by Bohr's Model, which is:

$E_n=-13.6\left ( \frac{1}{n^2}\right )eV$

Here, n = 3

So, energy associated to this orbit is:

$E_3=-13.6\left ( \frac{1}{3^2}\right )$

$E_3=-1.5122eV$ or

$E_3=-2.4228\times 10^{-19}J$   ( Conversion factor: $1eV=1.6022\times 10^{-19}J$ )