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The end value of "n" is 2.

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Q: Determine the end value of n in a hydrogen atom transition if the electron starts in n equals 4 and the atom emits a photon of light with a wavelength of 486nm?
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Related questions

What color is the wavelength of light in the balmer series that results from the transition of an electron from n4 to n2?

The n4-n2 transition of hydrogen is in the cyan, with wavelength of 486.1 nm. blue = als

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