Suppose I have an electron and a proton. If i fired the electron towards the proton, due to the attraction between them the path of the electron will change. How should I shoot the electron so that it starts to revolve the proton? (I think it is determined by the velocity that the electron was fired with)

  • $\begingroup$ ... and form a Hydrogen atom. $\endgroup$ – Farcher Nov 30 '18 at 13:39
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    $\begingroup$ If the electron is at 'infinity' and you provide it additional energy when 'shooting' it, the electron cannot make a bound state in a two body system - it has too much energy and no way to shed it. $\endgroup$ – Jon Custer Nov 30 '18 at 13:41
  • $\begingroup$ Re, "...so it starts to revolve [around?] the proton..." The idea of electrons in an atom "revolving" around the atom's nucleus like planets orbiting a star was abandoned by physicists around one hundred years ago. In modern theory, the "location" of an electron is defined by its quantum state, and each possible quantum state of an electron in an atom is associated with a different three-dimensional standing wave pattern centered on the nucleus. $\endgroup$ – Solomon Slow Nov 30 '18 at 18:42

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