Lecture Three

Lecture Three - Lecture Three*Read pgs 58-77 for WED Strong...

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Lecture Three 8/30/10 **Read pgs. 58-77 for WED!** Strong Bonds - ionic, covalent, polar covalent How do bonds influence the polarity of a molecule? Molecules which contain ionic bonds will be polar. Molecules which contain polar covalent bonds will be polar. (w/ a few exceptions) Molecules which contain covalent bonds will be non-polar. **Carbon Hydrogen Bond- the two elements are different, but their electronegativities are so similar that the bond they form is non-polar. Weak Bonds : bonds that are not involved in making a substance. Hydrogen Bond : A bond which is the result of very weak electrical attractions between atoms on different molecules or different parts of a large molecule. Occur between molecules that have polar covalent to ionic bonds. (have to have some sort of polarity to generate a hydrogen bond). Must always involve Hydrogen in some form. MOLECULES AND COMPOUNDS : compound : a substance consisting of two or more different atoms in specific proportions bonded together in a specific pattern. molecule
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This note was uploaded on 09/11/2010 for the course BIOL 1201 taught by Professor Wishtichusen during the Fall '07 term at LSU.

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Lecture Three - Lecture Three*Read pgs 58-77 for WED Strong...

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