The 2p Level in Fluorine Has a Binding Energy of -12

Multiple Choice

The 2p level in fluorine has a binding energy of -12 eV. If a photoelectron spectrum of fluorine is taken with ultraviolet light with an energy of 21.2 eV, at what kinetic energy will the 2p electrons be observed?

A) 3.0 eV
B) 9.2 eV
C) 16.6 eV
D) 27.2 eV
E) 33.2 eV