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The uncertain location of electrons - George Zaidan and Charles Morton

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The tiny atoms that make up our world are made up of even tinier protons, neutrons and electrons. Though the number of protons determines an atom's identity, it’s the electrons -- specifically, their exact location outside the nucleus -- that particularly perplex scientists. George Zaidan and Charles Morton show how to make an educated guess of where those itty-bitty freewheeling electrons might be.

Past a certain distance from the nucleus, the probability of finding an electron starts to decrease more or less exponentially. How would you represent this on a graph? Draw a quick sketch and label the axes. How would you account for the “past a certain distance from the nucleus” part of the question in your sketch?

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator George Zaidan, Charles Morton
  • Artist Harj Bains
  • Animator Henry Chung, Rob Thomson
  • Composer Graham Silcock
  • Narrator George Zaidan

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