A - CI6.3 Radiation and Radicals

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  • Created by: Gemma
  • Created on: 07-11-12 14:58
  • Breaking bonds - bond fission
  • Bonds can either break by Heterolytic fission or Homolytic fission

Heterolytic Fission

  • Both of the shared electrons go to just one atom when the bond breaks
  • Atom then becomes -ve charged
  • Has one more electron than proton
  • Other atom is +ve charged
  • Common in polar bonds

eg.

(http://www.4college.co.uk/as/atm/freeradical3.gif)

Homolytic Fission

  • One of the two shared elecrtons goes to each atom

eg.

(http://upload.wikimedia.org/math/3/b/b/3bbabfc06d510cef1d54fa5d422f17ff.png)

  • They are highly reactive atoms with unpaired electrons - radicals

Radicals

  • Unpaired electron makes it extremely reactive
  • NO isnt such a

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