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All metals have a characteristic emission wavelength.
? Consider the three possible electron transitions for a sodium ion. Ground state of Na is [Ne] 3s1. The valence electron can be promoter to any one of several excited states. It will usually jump to the next lowest energy level when heated in a flame. The electron configuration for a sodium ions 3s to 3p is represented as *[Ne] 3p1.
? After a short period of time, the electron loses that energy by emitting it in the form of light. And emission spectrum can be recorded for the process.
? To determine the energy emitted by the transition of an electron, we must know either wavelength (?) or frequency (?)...
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