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Mass 3 peste mefr vf iE Fsotopes G toms of sare element bul oliffirenl marr no. Same Pein no. (Neat ren no-) €q:- “ec *¢ CS Moméc no- CP +N) qd: De 7) Cpretons ) (C) Na + Lsotopes have sane vo of nulrews tChumical properties tt t lout dlifprunt physical £4 tL tL properties. 23 \t i) i] ' * 4rit iu iH 44 3H protinws dali ww Notiaad abundance (Relative intensity) * Nolurpl abundence of an isotope is */ of i atoms a all | atems fae yven element found On CUnr d plans: 7 a + [4 we knew NA we can lolol the average Ar. RAM > Weighlid ovg mand of all Jsotopes (Auative atermwic Man) iL the mass of atom " Waghted hva = "Spee raass xNh iz\ [9D tq: - 0) = (syy $-the) + (sox4rasa)s (54x 200) + (s8x0-282) /eD = §5.9099 30 1 3NA CS B5-MT = (35x) + 34 (00-%) (00-1 > NA Cy voP BShS = ASue Btoo- Btu Ar -35-46 ASUS = -Le * STOO ax-iss | a ed OO- X= 100- T2-T- 22.6 Mass Spectsomertr y_ . Anoly tical Technsquae- LT identity the unknown) Mass spectrum van Atomic An key indiafor Re op ann Mass Spectrometry Diagram M-s ye: C4ast moving ) of MF (mars) Mintww o& —} o& ay) pa % isotope o* 0’ vapor ied +h = 4e Eleckromannetic spectrum, Electromagnetic waver ty X-roy | yy | Ve} IR OM | Raolio é f N's xX VIS E f's Wave fquahen Cc: J d (+xm) t . 7! sped > wavelennyn ~ * Link “ ® Lint emission spectrum % ydrogen ¢ Electron excitation & emission of tignt) no mas 7? enar9y ao Waves Light particle 7 photon 7 éserect. packets of energy Lig 7 \i(partiede Pants fauakion, > Planck's constanl q —= E =hxf] erargy of Sean pheten Postulata of Bohrs atomic model mnewaenrr~ eeoaw~r—an—meees=~ OO00eeo"" _ he eleetnon can oust only in certain stati onany onbit ontund the nu deus . Jiuse enbits ane astoci with) olacrdle e y Levels 2 e decoy €=E,-61 photon J = —— tite _ When wa tron) in the onbik with He y led absorbs o photon of fhe nit of ey it move W a highh bud OY emae Ex $ 3 3 eee i 338 y" ; a Ree sf. 4F 88 S524 RE 4 i ts 2ig 4g a Fb sig q a8 ass 2432 5: i) te ; *32 2 M i aaah 3335 23 se 538 z, Ee 4, TRIS +) Be 3 32 355 les goes, 33 3 223 “25 235 we AE +8 3¢P t a ie Ko % o + Quantum micthancal model > (model | accepteet ) electrons one found inthe space callud orbital space oround the nucleud whut re) the probability of finding an e- is 5 oatsr tak Sphvucat shope i, Pi an | es quantum number 18 ne ShdAS ' n:1 s F 2 2 Pa Pa Py i? n22 Ss Pp 3 2 6 8 n<3 $ p datyag e 6 10 Iz n=4 spd ft2 6 10 Y 32 Porbija\ ow_vev ool Chap 9 alnmic no. Cproten w-) 1. Zrl3 \ AY — Woble qos (Zero qrowp alent) L Tt is not ceachve unvtarnve Is2_2s* 2p* [3<2 apt pout Config unaki ow 2-1) Ne ig? 25> 29° 2! p>ue => Nat +e7 . Tonic Uchropositive lbond 2-17 Cl Is? 25? 2p* as* Cl+e7 Ir Mn 2225 — |s? 252. 2p* 25? apS 3a? X weeny. 4s Ie 2s? 2p> Sst apt 24s? aa° hs - sphurical c > —Shiuded i lower Lninqy x Z=29 (u___Is* 2s*2p! a> Sp$ 45% 3d" lenpected Is? Js? 29° 352 3p! hs! 3a” Lem fiqurahon) ad Ls ee Completely filled v Vacant Orbital is mone Stable Hanon pantiallt filled Orbit ( expected confi guration) (vr 2°24 Ig? 25° 2p 25% apt 42 34°, Teh ast ad> J hal filled ork fal ip mone Stoble thaw portiolly f Usd orbital. WH londinsed Electronic emfiqurotion (noble an Lon fiqurahm) 2 ee 6 6 ' We iis 2s* 2p’ a? 2p) dis 2d Fgave [Ac] le! 2d Mn Is* Ast 2p® 3s* apé 4s? 3d° Pye ~ s ets? ad x Mn 1s? 23? 2p6 as 3p 6 gae a” oc block _elemnents. Ys electrons ont lost First then 24 ¢- wowd bel lost We Sxception Gr 2& Gr3_ Pes > Bie Be! Is? [23$* au aw) @ | vs] ais 2 CW et Shietoled 2 aremter TE cP hats iL ect Nts? 25> 2p? Vy Ww) Lit Riera f o Is 2s 2" fy) fw) fetth ly portiotly filled Pp orbital Glew TE Conk nivw Spectrak Ain Converge Alutiean Charge RDO Soe TE increanes No 9 Al acuross He poucel > «e*+e- IE O O 6 oO a xt pen Ie, YN Gm. wm eh +e7 TE, Si2e frotew Uv (Teese, <36)] $7 Cowomb's law canye FEF: KAA Con [ Coulomb's G radius Electrostesic force tanstant of ottraction Force of attrattion is offeckd by:- Sem ~> Nucla Change > olistance btwn tue 2 charge Gre increases become WE hove fo Spend highvy oning bo oven tow Po, of eda ow. Foal Fa aq r? , ®) tectvon is removed from tw Is Sub shut: 0) 16,(N) > TED) be d an piled a7 Danger kas pontialty 1s? 2s? 2p6 3s? 2p6 45? ga* Cav J bs! 3A In thinking 7 Electron Gon iquyreution Na) 4-2 b) U- | c) converged Jove — n-l 2) i) 's? 2s? 2p3 ii) Is* 2s? 2p¢ as* pt ais a4” Ups Car] Ast 3a1'? aps iii) Is*2s* 2p¢ 35> 3p6 as” 3dS ( My) vi) Ist 2st 296 35% apo As 3d” 3)i) (ne] fl hh 35 3p ii) (av fl fadatadadad is 3d HL“ 4 = Nya)i) Ne Na Is*2s* 2pé Is* 25? 2 p* 3s* TE (Ne) > TE (na) became of the 3s* in No it is easier 40 remove electron Han in We. ii) lower eninrgy eve CL spent Wigh amount of eninh Y jo remove e-. TE (Mg) > JECA')