Question

7.
The energy of hydrogen atom in the ground state is -13.6 eV. Its energy corresponding to the quantum number
n = 5 is
(1)
-0.54 eV
(2) -5.40 eV
(4) -2.72 eV
(3) -0.85 eV​

Answer 1

The right answer is -0.54 eV or the number 1.