Week of Notes 10/19-10/23
Week of Notes 10/19-10/23 CH 101
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This 5 page Class Notes was uploaded by Rani Vance on Sunday October 25, 2015. The Class Notes belongs to CH 101 at University of Alabama - Tuscaloosa taught by a professor in Fall 2015. Since its upload, it has received 18 views. For similar materials see General Chemistry in Chemistry at University of Alabama - Tuscaloosa.
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Date Created: 10/25/15
Chem 101 Week of Notes 10191023 Evaluating Resonance Structures better structures have fewer formal charges better structures have smaller formal charges negative formal charge on the more electron negative atom Rules of Resonance Structures connectivity cannot change only e are moved must have same of e 2nd row elements have a max of 8 e total charge must be the same Drawing Resonance 1 Draw 1st lewis structure that maximizes octets 2 assign formal structure 3 move electron pairs from atoms with negative formal charge toward atoms with positive formal charge 1quot Mfg mi rial 00quot 3 j Egj39imj H I Chapter 6 VSEPR Theory Pt 1 assign e groups Within an atom recognize 5 basic molecular geometries Structure Determines Properties properties of molecular substances depend on the structure of the molecule Electron groups each bond single double triple or lone pair of e is called an electron group counts as the same assigned using Lew dot diagrams and AXE notation VSEPR valence shell electron groiup pair repulsion theory electron groups around the central atom want to be as far apart as possible because electrons are negatively charges should be most stable When they are separated as much as possible 71 lb mml39douk 9034 p3 mm 6mm pmm mngmupS ITXS ms WW mm oowa know mom uxme f pqmong m m mm m pm mm mm m Mau tqymarlwl mm MB 0 mm wmmwm b 39 WWWSNWWS 1023 Chapter 7 Hybrid Orbitals and how they overlap Rules some atoms hybridize their orbitals to maximize bonding hybridizing is mixing different types of orbitals in the valence electron shells to make a new set of degenerate orbitals sp sp2 sp3 sp2d sp3d2 same type of atom can have different types of hybridization gtK WW6 own g 7 mm V K Wu M oww I 3 OH it Cy H t H18 H Inflow ls P Q 3 H m a C7 C 393 g m 2 Ell lsxnulathdwm 0 382quot 36H 7 0 I e M i b vachle ahqu mmthm H o 4 9 m F p p wags i C W m Sb me Qme quotnx bmdl u W aroqb mlg I l 3 1V mbwmmabmam 5 H 39 K W K lh39 di mwr quo wal l H orbimts 39m m mum 1th 55315 3 1 mum CARW 3M 0 66enu qper Lambm Sawing Spidlg f quot ox me 3N E of am LmbLlM Humw was of myriakm m Sph sr quot 0 gram at f 3 6 o r W N J C A A A DY Cmb m ZS urb tmks mmfid39 t Wt m 7 quot Mbin 0 1 be SF 0 Id mst L1 bums 11 gmmm mm a Hr M mbrid WM WWW 1th Q thm Sd thmvm M SrS Mm A NEWS 1 H H W jgb 393 Q 3 W a x Mum c M St WNW M U WWW Lu 0an it 39 V V H E Musmhud 9 quot WNQ RLLLukt quotmu LN max 39 UM Km 1 Mth mmhm 120 7 Igh WKWUHUD
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