For a hydrogen atom, calculate the energy (in kJ) of a photon in the Balmer series that results from the transition n = 5 to n = 2.
a. 1.09x10 -20 kJ
b. 2.04x10 -21 kJ
c. 2.18x10 -21 kJ
d. 3.03x10 -22 kJ
e. 4.58x10 -22 kJ
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