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Why does the hydrogen emission spectrum consist of lines?

Hello there! I'm having a bit of trouble with my chemistry homework and I can't seem to be able to find the answer to this question online. Please help if you know. Also what do the transitions in the same series have in common?
Original post by natalia.medicine
Hello there! I'm having a bit of trouble with my chemistry homework and I can't seem to be able to find the answer to this question online. Please help if you know. Also what do the transitions in the same series have in common?


The lines indicate discrete energies.

This is because the energy levels are quantised therefore the energy that must be absorbed or emitted when an electron moves between energy levels must also have a discrete specific value.
Original post by charco
The lines indicate discrete energies.

This is because the energy levels are quantised therefore the energy that must be absorbed or emitted when an electron moves between energy levels must also have a discrete specific value.


Thank you so much!!

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