Cherries Posted May 12, 2018 Report Share Posted May 12, 2018 Which molecule is non-polar? A. OF2 B. NH3 C. BF3 (answer) D. SO2 How do we know this without using the electronegativity values? Thanks! Reply Link to post Share on other sites More sharing options...
kw0573 Posted May 12, 2018 Report Share Posted May 12, 2018 It's a test on drawing Lewis structures. BF3 is the only one without lone pairs on the central atom, and is planar. The others are either bent or trigonal pyrimidal and are polar. 1 Reply Link to post Share on other sites More sharing options...
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