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Chemistry, 08.01.2020 20:31 claudia122752
When sodium is excited in a flame, two ultraviolet spectral lines at lambda - 372.1 nm and lambda = 376.4 nm respectively are emitted . which wavelength represented photons?
a) higher energy?
b) longer wavelengths?
c) higher frequences?
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When sodium is excited in a flame, two ultraviolet spectral lines at lambda - 372.1 nm and lambda =...
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