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Polarity of molecules watch

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    How do you know which molecules are more polar? CHBr2, CH3I, CHCL2F, CF4
    I know that CF4 is the least polar in order as it is not polar but what about the other 3, I have drawn diagrams for the shapes, but I still can't work it out. Many thanks
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    (Original post by coconut64)
    How do you know which molecules are more polar? CHBr2, CH3I, CHCL2F, CF4
    I know that CF4 is the least polar in order as it is not polar but what about the other 3, I have drawn diagrams for the shapes, but I still can't work it out. Many thanks
    Consider the electronegativity.
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    (Original post by morgan8002)
    Consider the electronegativity.
    I think I got it now thanks anyway
 
 
 
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