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We looked at the Hydrogen spectral series which accounts for the transition of electrons between different energy levels in an atom. The hydrogen spectrum consists of a series of lines of different colours (violet, blue, green and red) in the visible region of the spectrum. The Lyman series corresponds to transitions between higher shells and the lowest shell (ground state n=1), whilst the Balmer Series corresponds to transitions between higher shells down to the n=2 energy level.
Basically what characterizes one series from the other is which energy level the electrons fall to. In the Lyman series, which is the UV spectrum, electrons fall from other, higher energy levels to n=1, while in the Balmer series, visible light, electrons fall to n=2 and no lower (and so on).
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