Asked by Tara

In order to fall closer to the nucleus an electron must have ________
Answered by drwls
It must have a quantum mechanically allowed orbit there. A few isotope nuclei do capture electrons that get too close. This results in radioactive or X-ray emission.
Answered by drwls
If you are looking for a short answer, I don't have any. The electron must have negative charge to have any stable orbit at all.
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