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CHEM 1161 (2)
Schlegel (2)

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Department
Chemistry
Course
CHEM 1161
Professor
Schlegel
Semester
Fall

Description
46 Electronegativity and Bond PolarityThursday September 20 20121030 AM DipolesS partial positive S partial negativeElectronegativity valueOf an element indicates the ability of an atom to attract the shared electrons in a bond Increases from left to right going across a periodIs high for the nonmetals with F as the highest Cshas the lowestIs low for metalsA nonpolar covalent bond occurs between nonmetals is an equal or almost equal sharing of electrons has a very small electronegativity differenceEXAtomsElectronegativity DifferenceType of BondNN303000Nonpolar covalentClBr 302802Nonpolar covalentHSi211803 Nonpolar covalent A polar covalent bond occurs between nonmetal atoms is an unequal sharing of electrons has a moderate electronegativity differenceEXAtoms Electronegativity Difference Type of BondOCl353005 PolarcovalentClC302505Polar covalentOS 352510Polarcovalent An ionic bond occurs between metal and nonmetal ions is a result of electron transfer has a large electronegativity difference 18 or moreExamplesAtomsElectronegativity DifferenceType of BondClK 300822IonicNNa300921 IonicSCs 250718 Ionic
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