Chemistry / Chem 0788 · Atom · ~20 seconds
Line Spectra Versus Continuous Spectra
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A continuous spectrum blends every wavelength smoothly; a line spectrum shows only a few sharp wavelengths unique to one element.
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Passing hydrogen gas's light through a prism produces four sharp lines, not the rainbow a hot solid produces.
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A line spectrum's discrete lines are the puzzle Bohr's model explains — a wave picture gives no reason for gaps.