L09S10_ManyEAtomsIonizSpin+02-08-10

Kubinec 1 1 4p 3p 3p 2p 2 2 3d shielding 2p 2s e3d

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Unformatted text preview: =2 =2 3d Shielding - + 2p 2s E(3d) > E(4s) 3d) 4s) E(2p) > E(2s) 2p) 2s) 1s L09-6 © 2004 M. Kubinec, A.Pines 2 CHEM 1A L09: "ManyEAtomsIonizSpin" Ionization Energies, Shielding H 3 2 1 2372 5248 (kJ/mol) 328 1312 IE He+ He (1s 2p He ((1s12) 1) He 1s He (1s 6 3 4 4 2 3 3 2 2 1 1 Many- - system Many-e-system OneOne-e IE= IE= Z2 eff n2 R © 2004 M.Kubinec 1 1 L09-7 ChemQuiz© 9.1 Which Which atom or ion or has has the lowest ionization energy ? + 3 2 1 A) H (2p) © 2004 M.Kubinec B) He+ (3p) C) Li2+ (4p) L09-8 ChemQuiz© 9.2 Which Which atom has the has lowest Ionization Ionization Energy? + 3 2 1 A) H (2p) © 2004 M.Kubinec B) He (1s3p) C) Li (1s24p) L09-10 © 2004 M. Kubinec, A.Pines 3 CHEM...
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