(a) What is the ground-state energy in electron volts?
(b) What is the ionization energy, the energy required to remove the electron from the N6+ ion if it is initially in the ground state?
(c) What is the distance a [given for hydrogen by Eq. (41.8)] for this ion?
(d) What is the wavelength of the photon emitted when the N6+ ion makes a transition from the n = 2 state to the n = 1 ground state?