chem 10-11 - molecular shape polarity(polar bonds and...

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VSPER “minimize lectron repulsions” prediction of electron arrangement around central atoms and the resulting molecular shape Valence bond: localized electron theory: hybridization of orbitals on central atoms Polarity: dipole moments, symmetry. A= central atom X= bonded atoms around central atom E= lone pairs around central atom Lewis dot structure # regions high electron density electronic arrangements and hybridization(lone pairs on central atoms?)
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Unformatted text preview: molecular shape polarity (polar bonds and symmetry?) Linear No lone pairs of electron on A-nonpolar Berilium only wants 4 electrons (doesn’t want 8) Polar molecules must meet two requirements 1. there must be at least one polar bond or one lone pair of electrons 2. tetrahedral electron arrangement (one lone pair of electrons on A0-trigonal pyramidal, polar...
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