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Open reserve Paper Chemistry Open apply Paper Atomic spectroscopy is a chemical summary technique and it is used to identify what elements are in a compound. It uses the idea of a photon being absorbed or emitted whenever an electron changes from one zipper level to another. The diagram be pitiful shows sodium table salt being sprinkled onto a flame and colour vindicated being emitted. Emission spectra are produced by lissom gases in which the atoms do not experience many collisions (because of the low density).

The emanation of yellow light occurs beca use the electrons of the sodium salt conjure up been promoted to a higher electronic energy state just have then fallen back down and emitted the energy as an electromagnetic wave, in the wavelength corresponding to yellow which is ? 600 nm. The to a greater extent exquisite that the yellow band is the more abundant the sodium salt present. The diagram (left) shows an atomic excitation caused by the immersion of a photon and an atomic de-exc...If you want to get a mount essay, orderliness it on our website: BestEssayCheap.com

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