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What is the energy (kJ/mol) associated w...

What is the energy (kJ/mol) associated with the de-excitation of an electron from `n=6` to `n=2` in `He^(+)` ion?

A

`1.36xx10^(6)`

B

`1.36xx10^(3)`

C

`1.16xx10^(3)`

D

`1.78xx10^(3)`

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