Atomic Structure and Bonding

on gtron) atomic # = protons = hydrogenis most an 8/28 Lecture abundant neutrons Electron/valence ex Valence Inner shell Electron shell - negative charge · is electron? where · waves/energy · Bex is this in & somer similar/diff or space/stuff field - location functions internet to wave · 99 % . locate in create it tt- stronger or have a disruptive interference & cancel out Isomerism - - ways Isomer -enstitutional · formula but different molecular same · in constitution all same atoms · connection bin always Carbon · ↳ If no atoms are starts off carbon or - C2Hp0(2 1st period 2nd period Max can form , MONOVALENT · B .. C & carbon . .. N atom to 000 MONOVAlent -now many bonds can form XCI order He] an rule] cond a with another atom eX Unpaired first/individual energy levels empty first then pairs 3 lone DIVALENT W 2 based G - F , form ↳ have less H alphabetical Praise bond can [H electrons fill up lowest energy one can'tform a then Heterodtom e to have ↓ & He Isomers] electrons both need bond I 2 for an H: : hydrogen of 8 electrons [octet : H molecular formula- then constitutional Max of : different Br I on ↳ pairs TRIVALENT W ↑ ETRAVALENT m 4 3 > 4 - # of lone pairs and now many bonds formed N C lone pairs protoni electron J 1 + : - 1 combined neutral a makes if I > - element tetraudlent cna # formal are # takes E trivalent ② adds ADD = ↓ Co . neutral F a negative charge equalpullinopposite E electron electron localDipe Y .... H : H 0: Net dipole Momentde Hio H - H H e . It : H H z electrons shared H I -c - it C - 0 - H H if H H it :::: H 7H-c-0-c H > - He & density H H H overall shift of electron Ast directionsee momee a Net Dip ↳ C2H , 8 : an electron ↳ has away/electron positively charged , not SUBTRACT = O P charge ↳ creates B O B charge Trivalent ↓ becomes divalent ① neutral not one - it I H 1 H Diff behaviors same molecular formula Electronegativity of measure the ability of an atom attract electrons to electron or density to it in bond H - 2 / > . Li 1 Be 5 0 . I 9 1 . 1 5 . 1 2 . Al Si 5 1 8 . . . of electron 5 4 0 . 2 . density from 2 electron / : density moving I 3 0 . Br .S 2 a less electronegative element to a more electronegative + S 1 C-F C-H small N Cl 5 moststronegativity & . o S bonds thro . F ps .) 2 sts 2 O 3 5 # Induction pull . N 3 0 C 0 Mg Na 0 B C 2 5 . toward C more S- C- F 4 0 . larger difference difference = element negative on ( = larger induction -