Lecture 9: Electronegativity, Partial Charge, Polar Bonds and Polar Molecules - Ionic Character of Covalent Bonds, Pauling's Calculation of Heteronuclear Bond Energies
recorded by: Massachusetts Institute of Technology, MIT
published: Feb. 10, 2009, recorded: September 2004, views: 1554
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"That is to say, guess the answer ahead of time, strip all the decimal places off. Just go with powers of ten, and then see what the answer should be. And, you will be within 25 or 30% every time. And, that's a good thing to know because if you come out with an answer that's somewhere near the diameter of the universe and it's supposed to be the diameter of an atom, then you will know that you probably made a mistake..."
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