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Polar and Non-polar

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What is an example of a polar covalent bond?   the electrons shared by the atoms spend a greater amount of time, on the average, closer to the Oxygen nucleus than the Hydrogen nucleus. This is because of the geometry of the molecule and the great electronegativity difference between the Hydrogen atom  
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what does non-polar mean in science?    
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what does polar mean in science    
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What is the most polar bond?   The most polar bond would have the highest difference in electronegativity values between the two atoms. Since fluorine has the highest value of electronegativity (3.98), the least electronegative atom would make the most polar bond with it. Chlorine is v  
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