# Problem:  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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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

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Bohr and Balmer Equations concept. If you need more Bohr and Balmer Equations practice, you can also practice Bohr and Balmer Equations practice problems.

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Based on our data, we think this problem is relevant for Professor Cook's class at LSU.