Question

Module 3: Quantum Numbers and Selection Rules Worksheet Concept Map: Designation of quantum states, selection rules for transitions. y The Cppie me teidree s Comp Mar MandChange z . Table 7.2 The Hierarchy of Quantum Numbers for Atomic Orbitals Name, Symbol (Property) Allowed Values Quantum Numbers Positive integer (1,2, 3,. Principal, n (size, energy) Angular momentum, / (shape) 0 to n 1 Magnetic, m - 0, +1 0 (orientation) -1 0+1 0 0 -1 0+1 -2-10+1+2 M hyh op e A 3s- 3p 3d 2p 2s- 1s The Energy Levels in the H Atom b) To Do ) Write out all the possible states Y(n4m) for an electron in shell 3 2) An electron is in state '(n,4m), you pick the quantum numbers. Enumerate the states it may lose energy and transition into Energy

Answer 1

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a -2,1, 0, 1,2 m ms is the Spin maghetic quahtu humbes and an only have 2the the 2 as -2 Vatue the slectron spih nhe Value a 2 desCRibes which Spin quautum humbe, s. albntun humbe of hz 3 he pinciple Stertes houe 1 pessible Hese we and 3, o, , -2 3, o, o,-+ 2 3, ,-1, -2 3,,-, +/2 aand 3,t, o. o, 1/2 and 3, 3, 1, 1,-2 3, , , and 3, 2,2,-2 and 3, 2, -2,+ 2 3, 2,,-% 3, 2, ,t V CAM 3, 2,0,-12 an d 3, 2, 0, + 3, 2, ,-k ahd 3r 2, , t Ya 3, 2,2,-2 And 3, 2, 2,+1/2

23 H5 Eph frem tue abele fique the Enerqu loss wit be Slle to h 2 Tansition from -13.6 AS En r13.6 -13-6 En= C.V En = (22 6)2 En -13 6 el -12. Ens 36 So7 -13.6 36 E- E2 - (-3. C.37 +3.H 3.023 eu Ec-G -3.O 23 eu

Therefre, veleased Eneigy is Case 1 The is guen by Chage of Eheagy of lectron Cf-E AE 13.6ev SJn AC 13-6 ev (12 C- 1 13.6ev 25 3.6 ev 25-4 3.L ev s 13-6 xo.2l AE (absoAption 28.56 ev Case- will absodb iheqy this transition zlectron an d, and AC = 3-6 e nfi s 13-( ev 1 t6-H9 13-6 ev 구8니

ニ136ev O.5724 ev lEMission AF En th s trausitiah Electsh wi Enit Energ AS A E Value is negatiue this indicales Emissio 2le ctron fal fa iahe to laLes evel -And