chem_week_eight CHEM 1013 - 006
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This 2 page Class Notes was uploaded by ying.fan Notetaker on Sunday October 18, 2015. The Class Notes belongs to CHEM 1013 - 006 at Arkansas State University taught by William A. BurnsE-mail in Fall 2015. Since its upload, it has received 11 views. For similar materials see GENERAL CHEMISTRY I in Chemistry at Arkansas State University.
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Date Created: 10/18/15
Electron de ciency occurs when a compound has too few valance electrons for the connections between atoms to be described as covalent bounds 3 center 2 eectron bonds Octet Rulere ects observation that atoms of maingroup elements tend to comine in such way that each atoms has eight electrons in its valence shell giving it the same electronic con guration as a noble gas odd electron species epN02 Incomplete octet In case wh re B Be or Al IS the central atom there ay e les t at 8 electro I e an 3amp2an e e octet assocnated wut the central Ex ande al octet If the central atom is an atom In he 3r period or balow4th period 5th period hen the central atom may have more than 8 valence electron assocnated with it compounds wth an od number of valence e ec rons Ternar ids on i tof H an nonmea HNO H O4 an H3PO4 T ACID skeleton structure d one other 1other nometal is the central atom 20 atom are bouned to the central atom 3H atoms are bounde ta the O atoms one atoms th t O atoms It oes not matt r thch 0 atoms ave an H atom bounde to IE Resonance structure two or mor lewis structures of a molecule obtalne by movnng valence electrons
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