CHEM 120L: Emission Spectra and Electronic Structure of Atoms
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Last updated 9:55 PM on 12/16/25
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6 Terms
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emission
light released, high n → low n, produces bright spectral lines
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absorption
light absorbed, low n → high n, produces dark spectral lines
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λ
wavelength, distance between maxima of a wave in m
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ṽ
wavenumber, reciprocal of the wavelength, usually given in cm-1
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fluorescent lamp emission spectra
has distinct lines of blue, teal, green, orange, red. mercury vapor is excited via electric discharge, allowing electron transitions and emission spectra
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incandescent lamp emission spectra
continuous spectrum because the tungsten is heated until it glows, not caused from electron transitions but rather blackbody radiation
Note 
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