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May 28, 2015

Homework Help: chemistry

Posted by shay on Friday, October 5, 2012 at 9:18am.

What two conditions necessary for molecules to be polar? Her's my answer pls check.
First, at least one covalent bond in the molecule has to be a polar covalent bond. For a bond to be polar, there must be a difference in the electronegativities of the two atoms that are bonded together. The second condition is that the molecule cannot be perfectly symmetrical.

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