KnowraAtomic emission spectrumLinked fromLinked fromThe 16 pages that link to Atomic emission spectrum, each with the reason it gives.All 16Broader topic 3Related 8Narrower topic 3Compared with 2Hydrogen spectrumCompared with: Emission lines are one half of the spectrum’s definition; absorption lines arise from upward transitions.Franck–Hertz experimentCompared with: Spectral lines reveal energy differences through photons, unlike Franck–Hertz’s electron collisions.