why line spectrum is regarded as fingerprints of atom.
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Enough electrons jumping between any two given energy levels of a given element will result in a spectral emission or absorption line at a characteristic wavelength. Spectral lines are used to identify the element and thus, it is called fingerprint of elements.
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Answer:Atomic emission spectra are unique spectra of light emitted by an element when electricity is run through it or when it is viewed through a prism. Because they are unique, they can act as an element s fingerprint. ... The colors are visible portions of the electromagnetic spectrum.
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