Not considering the electron spin, the degeneracy of second excited state of H is 9, while the degeneracy of then first excited state of `H^(-)` is :

Not considering the electronic spin, the degeneracy of the second excited state (n=3) of H atom is 9, while the degeneracy of the second excited state of H– is

Not considering the electronic spin, the degeneracy of the second excited state (n=3) of H atom is 9, while the degeneracy of the second excited state of H^(Theta) is

Not considering the electronic spin, the degeneracy of the second excited state (n = 3) of H atom is 9, while the degeneracy of the second excited state of H^+ is

The ratio of the energy of the electron in the ground state of H to the electron in the first excited state of Be^(3+) is ,

The energy of the electron in the ground state of H-atom is -13.6 eV . The energy of the first excited state will be