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    I've just started learning about why CFCs damage the ozone layer, and I'm not entirely clear about what a radical is. I've drawn out dot-cross diagrams of the formation of radicals from a CFC molecule, but I'm still not sure.
    Is a chlorine atom a radical?
    Is the remaining F2ClC molecule a radical or an ion or something else?
    I get that a radical means that it has one or more unpaired electrons, but I'm not quite sure what it really means?
    Do all radicals have to be noted with a dot next to them?
    Is the only difference between a radical and an ion that in an ion all of the elements have full outer shells?
    Why do you get radicals rather than ions when UV radiation hits a CFC?
    Help!!!
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    (Original post by DayFlower)
    I've just started learning about why CFCs damage the ozone layer, and I'm not entirely clear about what a radical is. I've drawn out dot-cross diagrams of the formation of radicals from a CFC molecule, but I'm still not sure.
    Is a chlorine atom a radical?
    Is the remaining F2ClC molecule a radical or an ion or something else?
    I get that a radical means that it has one or more unpaired electrons, but I'm not quite sure what it really means?
    Do all radicals have to be noted with a dot next to them?
    Is the only difference between a radical and an ion that in an ion all of the elements have full outer shells?
    Why do you get radicals rather than ions when UV radiation hits a CFC?
    Help!!!
    A radical is a neutral species with at least one unpaired electron.

    Chlorine atoms are free radicals. They have seven electrons in the outer shell and are formed by homolytic fission of a chlorine molecule.

    Cl-Cl --> 2Cl•
 
 
 
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