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Bohr Model Electron Movement Question

  • #1

Homework Statement



How does an electron get from an excited state (r = 4ao) to a ground state (r = ao) without being anywhere in between?

Homework Equations





The Attempt at a Solution



My only attempt would be to say that it does exist between for a short time, and during that time it emits a photon. The book I'm working with poses the question but lends no hint toward how to answer it, it simply states the electron "jumps" between states.
 

Answers and Replies

  • #2
gabbagabbahey
Homework Helper
Gold Member
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The idea is that the electron is described by a wavefunction, which is non-zero at every position... [itex]r=a_0[/itex] is just the most probable position for you to find an electron in the ground state, when you measure its position.

The electron's position doesn't jump from [itex]r=4a_0[/itex] to [itex]r=a_0[/itex], only its most probable location, upon measurement, makes that jump.
 
  • #3
Awesome, thank you so much.
 

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