Here are a number of sites that talk about how electrons interact with the nucleus. Note the site that explains that actually electrons do not revolve around the nucleus. There is a lot of reading here. Read ALL of it. Some is pretty far out but all of it is pertinent.
https://www.google.com/search?client=firefox-b-1-d&q=why+do+electrons+revolve+around+the+nucleus
Why electron revolve arround the nuclear
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