The energy of an atom or ion in the first excited state is -13.6 eV. It may be

energy of an electron system in the first excited state is -13.6 eV . This is

energy of an electron system in the first excited state is -13.6 eV. This is

The ionisation energy of hydrogen atom is 13.6 eV. The energy of an electron in the first excited state of hydrogen atom is

The energy of a hydrogen atom in the ground state is -13.6 eV. The energy of a He+ ion in the first excited state will be .....

The energy of a hydrogen atom in the ground state is -13.6 eV. The energy of a He^+ ion in the first excited state will be

The energy of a hydrogen atom in the ground state is -13.6 eV . The eneergy of a He^(+) ion in the first excited state will be

The energy of a hydrogen atom in the ground state is -13.6 eV . The eneergy of a He^(+) ion in the first excited state will be

The energy of a hydrogen atom in the ground state is -13.6 eV . The eneergy of a He^(+) ion in the first excited state will be

The energy of an electron in the first level of H atom is - 13.6 eV .The possible values of the excited states for electron in He^(o+) is (are) :