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Chem-highest melting point

  1. Apr 2, 2009 #1
    1. The problem statement, all variables and given/known data

    hey guys, just wondering if you could tell me which of these is polar and how to do it thanks? the question is asking for the highest melting point, so i believe it relates to which is polar. any help would be greatly appreciated.

    2. Relevant equations

    Which of the following solids would have the highest melting point?
    NaI
    CsF
    MgO
    MgCl2
    KF

    3. The attempt at a solution
     
  2. jcsd
  3. Apr 2, 2009 #2

    Borek

    User Avatar

    Staff: Mentor

    It is all about Coulomb forces.
     
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