Question

Why the same element have different spectrum ? As in the pic it is the example of helium and the emission spectrum of helium in both the pics don't match.​

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Answer 1

Answer:

Different elements have different spectra because they have different numbers of protons, and different numbers and arrangements of electrons. The differences in spectra reflect the differences in the amount of energy that the atoms absorb or give off when their electrons move between energy levels.

Answer 2

Answer:

Answer given in the attached picture

Explanation:

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