Given That the Binding Energy of the Hydrogen Atom in Its

Multiple Choice

Given that the binding energy of the hydrogen atom in its ground state is $- 13.6 \mathrm { eV }$ , what is the energy when it is in the $n = 5$ state?

A) $- 0.544 \mathrm { eV }$
B) $2.72 \mathrm { eV }$
C) $- 2.72 \mathrm { eV }$
D) $0.544 \mathrm { eV }$