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September 2, 2014

Homework Help: Chemistry

Posted by Marty on Saturday, November 10, 2007 at 9:34am.

I'm trying to find if potassium nitrate is polar or non-polar by using the electronegativity scale. Can someone check my work?

Electronegativity:
potassium: 0.82
nitrogen: 3.04
oxygen: 3.44

=3.44-3.04 =0.82-0.4
=0.4 =0.42
So the final answer is 0.42 and by looking at the electronegativity scale I can see that it is non-polar.

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