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Asked by joy

what is the wavelength of the radiation absorbed when an electron move from n=2 to n=5 for a helium +1 ion?
12 years ago

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Answered by DrBob222
1/wavelength = RZ^2(1/2^2 - 1/5^2)
R = Rydberg constant
Z = 2 for He.
12 years ago
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