Electrons in atoms

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  • Created by: izzy
  • Created on: 06-06-13 22:13

The electrons in an atom are trapped by the electrostatic force of attraction of the nucleus. They move about the nucleus in allowed orbits or 'shells' surrounding the nucleus. The energy of an electron in a shell is constant. An electron in a shell near the nucleus has less energy than an electron in a shell further away from the nucleus.  Each shell can only hold

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