How can we get 4 lines from one electron ?

even Though, a hydrogen atom has only one electron, we know it contains a large amount of shells, so when a single electron jumps from one shell to another, a photon is emitted and then the energy difference of the shells causes a different wavelength to be released. . .

therefore the mono-electric hydrogen has many spectral lines  

×║hope this helps║×

2b2t

explanation:

2b2t

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