Respuesta :
This technique is based on emission spectra.
What do emission spectra show?
Emission spectroscopy is a spectroscopic technique that examines the wavelengths of photons emitted by atoms or molecules during their transition from an excited state to a lower energy state.
What are emission spectra?
The distribution of electromagnetic radiation released by a substance whose atoms have been excited by heat or radiation. A spectroscope can be used to determine which frequencies have been emitted by a substance.
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