Chemistry - Structure of Atom Colorful Handwritten Short Notes, Study notes of Chemistry

Download Chemistry - Structure of Atom Colorful Handwritten Short Notes and more Study notes Chemistry in PDF only on Docsity! One Shot : * Mind MAP ‘4 Debrogli e one — Dalton’s Theory cae Discovery oF e~ : proton i+Hei Senbeeg unce neuvon | Fain Niky principle | Thomson's model j7Suantum vio. Rutherford Mod. |-Elechanic configu EMR |_Takion * — Plank'S Quantum sheory! — Photoetechic effect; Black body Radiakon 1 *Bohr's modet 1 = John palton proPosec! Thar atom 1S Smamtes} indivisible pay cle oF matter . it contains three subaiomic Porlicle called. Hechons , Protons, Neutrons : [Discovery of ParHcles) WElechon ~ cathode Rays enipeviment — JV Thomson @ Proton: Anode Rays experiment ~ Ruther Ford pischorge Green) Tube \ iow rt ¥ a) cuthode i vy Stuctuve OF Akom © saecte Sealec glass tube “cathode tube ® Vacuum pump: ir creates alta (ow pressure Im glass tube S107 mm Ht High Voltage : toooo Volk cathode Anode #In this condivon Ras Come our From Cuyhode +o anode which iS called Cathode Ray. Hicathode Rays move —ve to We elechode |_ PHOVeES cathode Rays -ve Chayge # Electric Piet is applied cubhede xays deflected in divechon of +ve charge: Proves cathode vays have Ve chenge P*SPiN wheel is kePr in clivecHon OP _ Cornode FAs : Wheel RObUbES wit coneirms that cathede Ruys have POYACLE wane * create a Shop Shadow of Objeck Kept in divecion of Catheda YUYS IF CONFIYMS that Cathode WAYS MOVE 'N Straight tine, *imHaly these were Ka mega TONS later changed 40 elechon | ~7 Nake oF cathode Rays. SP The electrons travel From battery to cathode 8 these etecwons move Prom cathodes +0 anode in Porm OF Cathode Rays SANAHITE of cathode RUY means Chayge /mass rao $3 of cathode Rays NAME oF cathode Rays clo nob depend on gas cigrd in glass tube [YeNature oF cathode rays do nok depend on electrode Used. arcuum pump igh voltae very af Prolon (node ray enperi.)| ny ab Very + Discovered bs “ehaclestan (ww Pressure —piScharge|* PIScover rd w tbe “iF iS @ neutral porlele “IF iS produced by bombardment of ol- parlcle on Be atom 5 4 ,Be +,He To Vacum pump = WManeeat tron (me = . a 3 2Bkq High votlage gene [= +] G-LcvoSt kg =9:1 x10 8 KY a f rv so) Perforated! cathode 4.6 x10-9¢ C5 2] Small holes in cathode Red slow (Mass OP prokon CMP) = 1-66% 10°27 eg — behind cathode it SeemsRaNs are | \.66 x10-24g = 1 arn - coming From anode +0 cathode. T= IG me _mp=(Guote 2 Mp= 2odkme Chare of proben (©) “ “19 + cathode says o7ginoted Fyom cathode | ie f i 6 xto ey but anode ays are not originated! [mass of neuron (mp)}= fom anede 41:645x 10°23 ss =1-645x10724 kg. + Shen voltage is applied @-are emitted — i , Prom cathode § move towards emade, —* The e€- ionize the gas Fitted ome! wey Chayged ions are formed —> +e lon move From amade to Cathode § ohsevVed as, anode rays Bar Rtom con TO osiHve TherePor® angde vats are nok geneva ne a el on ted From anode, Changed sphere —> Elect } fF [Fonewies oF made Ray] Ihe ee + Tor different gusses used inthe * This moder calso known plum Choyge +0 mass yao ceim) is diff. Pudding rode ¢ | Perforated cathode ‘Im aa Paka AZ wake oF anode res Cchayge [Mass sarod) derends i] The Nature of Jas taken ii) The malerial of electrode Anode RAYS travel in Shaigh} line | * It explained the neubretity of NiKE co¥hocl RAYS, : + These alSo xOHIE pin Lhee) NRE Cetth Ruys. + pePlecled in elecinic Fleid: Anade vay ave +e Charge. L i Photoelectric EFPecr Plank Quantum Theory SapEEEETEEPUEENEEEEEme: ‘ “> Photoetectric effect supports, perrlicte —> mawweil supports coave nature OP TIGhE | nattnre op iid +> Plank Supportt parkte nutive oF 19h | > cohen light is incident on certelin Aecovding +0 plank lighk energy iS }anemitte ‘Preece objected Cub Ain foim of small packets called , + Th chrons are callee! Photo quanta . The duanty ave called’ photon ese elecho a Flechrons. Light hava ceri se of Photon } perector U Travel coith speec! of light Cc-3x 108 misec) in Vaccum oo Ff pkoro B the Speed 4 wavelength of Sg tel chanye jn Q medium but its fmm eter Frequency 3 energy constank. — &) “he ves} mass oF Photon is zZe10 Baltery ' p Ric plank when photons travets iL | > The curren} Plow due to MOWon O Follow coave natuve when photon | elechon in circuit eat : iid * MIS Phenomena iS cutied photoele SHIRE any surface IF FOuUdLoS perrticia nah Ic eFFecL ve- ___._ . j C curren} h rat Photoelectric | pet ae : + The cuwent cohich Flows clué to E= | the mokon oF etecwen in circw't | E= be 'S culled photo etectyic conrent A what is the Funckon of battery ? * Battevyy ensures thet ejeckey elect Move From ccithede +o anode n no.of Photon= e=nhe] 2 Enevsy Foy n no.of n | 7 “f Work Funciion Cé) 8 Thersotel Feemebiog Energy “ Unit of enetgy “> MINIMUM energy sequired te eject aM elechon cup tO Metal SUYFaLe wovK SL unit = Joule Fumton i$ the chara teristics or other unit < eV Mehta. lev ~1-6 xto 47 h= 6-63 x10“ S4 g-5 Vv, he= I2Yo ev—nm “Bresshoid Frequency C e) he= j2u00 ev-# The min Frequency oF incigeny a 19 ejeck an e- Rom mera surge N= 6.62% 10°94 gp * work Puntion is difFe on dite Mees Thyesoicl Wavelength Cav) Stopping PotenWay (Ve) : — To Stop moving char @ > yevers, + Maximum coavelongth required 10 i Poems Bie po + Reverse PotenHal 3 Shop e Schr. p= hu, = he, 7 AMPLY wer'e Energy Theo ede it alee | \-E maa = CVo | Gi= 0 + Vo hui = hue + eVo —» (consevvalon OF energy) EVo = hvi —hvo Ei = 6 + CK-E) muy Uo= h CUi-Vo) he = We 4 (RE) poem | = Ai do % Blackbody Radiahon A CKE)may = hvim hve TT), AY 2 % Sox * Bohr's Rromic model 3G Bs SS S66 co li H like cue SS | APPlicable For HS mM PasHiicutes . > Atem is neutred a | > €8 revolges in circular Patray 2. ee | constan} wachtus corbiks er Shei) slope = Kh —*> cenhipetey Force = CLEC Hosta my | Perce of clhtvacen! —hVo | myz 2 dade ano ¥ —> For each inciden} P70 | my2 e® emitted —<s 9 Ame JaP inyeorial ou | vedes photoelecrons have) — Angulay momentum oy c i. | muHiple of hi2n C\¢ E) may oil | § oF Vid Vo 970 PROEHOR mvar = bert phot o€1e chron 2 > Ei > @ or vi2Ve > photoelectric efred > stavionary orbifels observed! | Radius of th Goby's orbit Badius of it Boney 7 frox see ——+ WKeePINg z constant Ae velocity oF nth pony's orbit :- 4 Vn = 2198 X10°x Z mis, n keepi ng 2 ieee y=tn 2 Iseeping n constant + Time period - [— Tans 2 =omxeio;” Frequency + [Faz 18 e Energy of revolving elechon lars =— Total energy =-l€ = PE ae En =-13.6 x z@ ev ne = Zz PE = - 24.2 % 2? ey nz keeping z Constant Spe 3 Keeping N constant “he °o =-0.S4 -°:.68 ——— eee Ol 4) ae ee — 3.40 10.2eV i 12-45eV -BS4 | 4 ae ——n-t . For H lie multiplied bY Z* Energy ap: 1-2 : 10.2 7°eV iv soi are 12-09 gtev ” : 174 \ 249 eet 6y n :21-3 + 41-69 zeev