- During flame emission spectroscopy, a sample is placed in a flame - as the ions heat up, the electrons move to higher energy levels and when they drop back to their original levels, they release energy as light
- The light passes through a spectroscope, which can detect different wavelengths f light to produce a line spectrum
- The combination of wavelengths emitted by an ion depends on its charge and electron arragnement - no two ions have the same charge or electron arrangement, different ions emit different wavelengths of light - each ion produces a different pattern of wavelengths and has a different line spectrum
- The intensity of the spectrum indicates the concentration of that ion in solution
- The line spectra can be used to identify ions in solution and calculate their concentrations
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