chapter1 - [Ne]3s 1 b) [Ar]4s 2 3d 8 c) [Ar]4s 1 3d 10 1.12...

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Homework Chapter 1 1.5 5p 1.6 6s 1.9 The two electrons paired and occupying the same orbital would be least favorable, because the pairing energy would be necessary to overcome the repulsive forces. Paired but in different orbitals also comes with an energy cost because there is a finite probability that the electrons will occupy the same volume of space, again resulting in a repulsive energy factor. With parallel spins there is zero probability that the electrons will occupy the same volume of space; hence this is the lowest energy condition. 1.11 a)
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Unformatted text preview: [Ne]3s 1 b) [Ar]4s 2 3d 8 c) [Ar]4s 1 3d 10 1.12 a) [Ar]4s 2 b) [Ar]4s 1 3d 5 c) [Xe]6s 2 4f 14 5d 10 6p 2 1.15 1+ and 3+. Thallium has a noble gas core ground-state electron configuration of [Xe]6s 2 4f 14 d5 10 6p 1 . The 6p electron is lost first, giving an ion of 1+; the two 6s electrons are lost next, giving a charge of 3+. 1.17 1+. Silver has a noble gas core ground state electron configuration of [Kr]5s 1 4d 10 . The 5s electron is lost first, giving a charge of 1+. 1.20 a) 3 unpaired electrons b) 2 unpaired electrons c) 4 unpaired electrons...
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This note was uploaded on 11/16/2011 for the course CHEM 3510 taught by Professor Staff during the Fall '10 term at Valdosta State University .

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