tCH 6.3 - Bond Review Ionic bonds give electrons from one...

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Unformatted text preview: Bond Review Ionic bonds give electrons from one atom to the other Covalent bonds share electrons between two atoms Are electrons shared evenly? What happens if they are not? Electronegativity the ability for an atom to attract electrons to itself in a covalent bond Periodic trend is highest in the top right and decreases as you go down and left The more electronegative an element is the more it will pull the electrons in a covalent bond This results in a partial charge on each atom as one atom has the electrons longer than the other We call these bonds between elements of different electronegativities polar bonds because each atom has a partial charge If elements have the same electronegativity then neither atom can pull the electrons resulting in a nonpolar bond Fluorine is the most electronegative element. As elements get further and further away from Fluorine, the bond becomes more polar This works for all elements except for hydrogen which is has an electronegativity similar to carbon As bonds get more polar they begin to...
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This note was uploaded on 04/14/2008 for the course CHEM 1305 taught by Professor Mason during the Spring '08 term at Texas Tech.

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tCH 6.3 - Bond Review Ionic bonds give electrons from one...

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