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Effects of electronegativity on the bonding on an ionic compound? AgBr

  1. Mar 29, 2014 #1

    3vo

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    1. The problem statement, all variables and given/known data
    Use the concepts of electronegativity and polarisation to interpret the bonding in AgBr


    2. Relevant equations
    I have always understood electronegativity as the ability of an atom in a molecule to attract a pair of shared electrons towards itself. So this would usually have to be a covalent bond, as electrons would need to shared.

    I understand that differences in electronegativity can cause polarization in a covalent molecule, forming a dipole due to the uneven distribution of the shared electrons within the bond. (BTW would this be known as a polarised covalent bond?)

    But what impact could electronegativity have on an ionic compound? After all, ionic bonding involves electrons being transferred from a cation to an anion (and does not involve sharing).

    Could someone please explain to me how electronegativity could effect the bonding within an ionic compound and what effect it would have on a compound such as AgBr?
     
  2. jcsd
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