First slide

Bohr Model of the Hydrogen atom.

Question

Which of the following cannot be the energy of the electron in the hydrogen atom?

Moderate

A

-2.511 eV
B

-13.6 eV
C

-3.4 eV
D

-1.511 eV

Solution

$E_{n} = - \frac{13 .6}{n^{2}} eV$
For $n = 1, E_{1} = - 13 .6 eV,$
For $n = 2, E_{2} = - 3 .4 e V,$
For $n = 3, E_{3} = - 1 .511 eV$

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