Ionic bonding, Electrical Engineering

Ionic Bonding

  1. Instance: NaCl.
  2. Na (Z = 11) gives up the outermost shell electron of it to Cl (Z=17) atom, so the crystal is build up of ions with the electronic structures of the inert atoms Ne and Ar.
  3. Note: the ions comprise net electric charges after the electron exchange → Na+ ion has a net positive charge, comprising lost an electron, and CI- ion has a net negative charge, having achieved an electron.
  4. So, an electrostatic attractive force is established, and the balance is arrived at when this equals the net repulsive force.
  5. Note: all the electrons are bound tightly to the atom.

  6. Because there are no loosely bound electrons to participate in current flow → NaCl is a good insulator.

Posted Date: 1/11/2013 2:53:14 AM | Location : United States

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