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Lacey_Che131_S2012_Lect-24s

Lacey_Che131_S2012_Lect-24s - ec 4 Electron...

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Unformatted text preview: ec- 4: Electron configurationsLec 24: Electron configurationshttp://www.chemreview.net/SB.htmame of modules are indicatedName of modules are indicated.Roy A. Lacey, Stony Brook University; Che 131, Spring 20121Quantum numbersSolution leads to orbitals-he space where an electron in likely to be found-The space where an electron in likely to be found The shape, phase & electron occupancy are described by four quantum numbersn, l, ml, msQuantum numbers are related to each otherQuantum numbers are related to each otherRoy A. Lacey, Stony Brook University; Che 131, Spring 20122Solutions to the wave equationolutions are characterized by quantum numbers`The principle quantum number, n, is a positive integer that indicates the shell and relative size of rbital(s)Solutions are characterized by quantum numbersorbital(s).`The angular momentum quantum number, l, is an integer from zero to n-1. It defines the shape of the orbital and subshell.Valueofl1234Letter identifierspdfg`The magnetic quantum number, ml, is an integer with a value from -l to +l. It defines the orientation of an rbital in the space around the nucleus of an atomorbital in the space around the nucleus of an atom.`The spin magnetic quantum number, ms, is to account for the two possible spin orientations. The values for re +1/2 and/2Roy A. Lacey, Stony Brook University; Che 131, Spring 20123msare +1/2 and -1/2.Quantum NumbersFor each value of n, there are a total of:n2orbitalsifferent types ofrbitalsndifferent types of orbitalsRoy A. Lacey, Stony Brook University; Che 131, Spring 20124Quantum numbersnlml# orbitalsQuantum numbers are related to each otherQuantum numbers are related to each other11210 +11-1,0,+13311-1,0,+132-2.-1,0,+1,+25411-1,0,+132-2.-1,0,+1,+25Roy A. Lacey, Stony Brook University; Che 131, Spring 201253-3,-2.-1,0,+1,+2,+37Quantum numbersuantum numbers are related to each otheruantum numbers are related to each otherRoy A. Lacey, Stony Brook University; Roy A....
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