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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