Take the Potential Energy of a Hydrogen Atom to Be

Multiple Choice

Take the potential energy of a hydrogen atom to be zero for infinite separation of the electron and proton.Then the ground state energy of a hydrogen atom is -13.6 eV.When the electron is in the first excited state its excitation energy (the difference between the energy of the state and that of the ground state) is:

A) 0
B) 3.4 eV
C) 6.8 eV
D) 10.2 eV
E) 13.6 eV