Assignment_7 - memmm h Y Due F‘fikfamotemer 2 fi'zmiiiii“ — ’ Name I Lab TA Lab Dayfl‘ime l 0n‘the basis ofi'the cdhfigth‘ation of

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Unformatted text preview: memmm' h. Y ' Due! F‘fikfamotemer 2' fi'zmiiiii“ — - - ’- - Name I Lab TA Lab Dayfl‘ime l. 0n‘the basis ofi'the cdhfigth‘ation of the neutral molecule 0,, write the molecular orbital configuration of ' the valence molecular orhitals for (l) 02"; (2) O1"; (3) 02". For each species give the exact bond order. ' h ‘ Which, if any. ' " 'efic? With reference to Fig. 11-43 and p. 462—463"- sketch "a hotoelectrop‘ spectrum for 0,9. fie»: _ 5],“, “Ma r: I. In, I‘m I'Za from Web ,2-5 £3; fl"; [km ‘ Wfl,.,_.,m ,9 ab '0’. ' ' Valium. of!» 03'9": 533(4) 0630) .03950J_n5p‘(r). m; a) 34:- 9~45 ne'er/wort- ‘ 0;“: train) 636:) craft.» Ira/9‘69 ‘ 50:3 55/4?” 53:“? 2. Germanium is a semiconductor. Draw an energy diagram to show what happens to band structure (in terms of orbital energy and electron occupation) if small amounts of the elements In and Sb are present as impurities. Do these compoands make Ge an n-type or p-type semiconductor? In a p-type semi-conductor what are the “holes”? If an electric current is moving from left to rightin a p-type semi-conductor, which direction are the holes moving? ‘ ‘ imam] "Inc..- lh 4‘ c. 5C. Epics" "U‘é’fienfrs cf" in H2; Vfi/Cfl'b ,p I ’ "" 7/43}; 710 'Hw. firearm}, Q‘L Q’b/nanfs cpnfagr'n _/c'e5 =Ve/e'n‘fg, C. 'arn‘il elem: . I Inst) _ _ '_ , Cu New?!" Mutts ,1 AWL" ma‘ia' Fiji}; {'9 / A! ' .3 .3 ' t d5 fist". gerrf€§93~lcéa Q’; n13t949‘03 egg/g, Ja’firrs, 3. Draw a molecular orbital diagram for SO, labeling the molecular orbitals as bonding, antibonding. o and at. Label the HOMO and the LUMO. molecule have unpaired electron density, if so. is it: evenly I distributed the two atomséot the sulfur 0r oxygen atom? Why? ‘ " " " ' ' L} [HMO -i x65) 1“ 79% <1 mes I}, a?” it 5“ “'74 ,j t ? 5:..‘5‘t‘rt5‘f I ? 1 I 'I dri run-)1? 19.0» Pr‘f’al #16:“ _ . _ l 3.1.5 I"; Malt} ‘ oIEtllre/aaxn'l.b¢. atom ‘_ 5t 5 '- L 4. The OH radical has been observed in interstellar space. Formulate its elecnonic Structure diagram in terms of M0 theory, using only the oxygen 2p orbitals (-15.8 eV) and the 15 hydrogen orbital (-13.6 eV).. The difierence between the first ionization energy of the 0H radical and that of HF is almost identical to the ionization energies of the 2p orbitals of oxygen and fluorine atoms. Why is this}? " case? Show w 'ch orbitals are involved in the lowest energy elfca'o7ic transition of OH. 5‘5“ M 115:. “I5 “" ' 0")” a" a _ I 0w: {of lo film fl‘lc, Al'an 5 or r _ .,> . .2 its-{"41}: -, ' Iii“ ~ .u. - = I r '_ :37 3-. t...‘ " . i - r ’ is: . I ‘;I I : I_ : Hg" \ elf “l3 6: “ix” 1h 0H.) Heme f9: ffiyfifl'r‘JI'QQ. ah 03;, 0:4: lie/J ten o/tB/PJ 56h a;er “ITEL- Afif’r'fi gigs-t. v1 ‘ puff —. far-gag: 0'5 i" HF J NANA {2. was?» 0h 5HAX0/ I ...
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This homework help was uploaded on 02/15/2008 for the course CHEM 2070 taught by Professor Chirik,p during the Fall '05 term at Cornell University (Engineering School).

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Assignment_7 - memmm h Y Due F‘fikfamotemer 2 fi'zmiiiii“ — ’ Name I Lab TA Lab Dayfl‘ime l 0n‘the basis ofi'the cdhfigth‘ation of

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