The binding energy of electron in the ground state of hydrogen atom is 13.6 ev.The energies required to eject out an electron from three lowest state of helium will be
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The answer to it is 54.4eV.
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Answer:
the answer is 54.4, 13.6 and 6 ev respectively .
Explanation:
use formula E ñ = E° ×z^2 / n^2
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