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13.4: Homework Problems Chapter 8

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    Homework Problems

    Section 1

    Exercise 1

    How many microstates exist for the electron configurations

    a) p3

    b) f2

    c) d3

    Answer

    a) p3 - 6!/((6-3)!3!) = 20

    b) f2 -14!/((14-2)!2!)=91

    c) d3 -10!/((10-3)!3!)=120

    Exercise 2

    What is the term symbol for the one term associated with the following electron configurations?

    a) p6

    b) p1

    c) f14

    d) s1

    Answer

    a) p6 - 1S

    b) p1 - 2P

    c) f14 - 1S

    d) s1 - 2S

    Exercise 3

    What is the number of microstates for a

    a) 5D term

    b) 4G term

    c) 2F term

    Answer

    a) (2L+1)(2S+1) = 5 x 5 = 25

    b) (2L+1)(2S+1) = 9 x 4 = 36

    c) (2L+1)(2S+1) = 7 x 2 = 14

    Exercise 4

    In a triplet term there are

    a) only microstates with unpaired electrons.

    b) only microstates with paired electrons.

    c) microstates with paired and unpaired electrons.

    Answer

    c) microstates with paired and unpaired electrons.

    Exercise 5

    In a singlet term there are

    a) only microstates with unpaired electrons.

    b) only microstates with paired electrons.

    c) microstates with paired and unpaired electrons.

    Answer

    b) only microstates with paired electrons.


    Dr. Kai Landskron (Lehigh University). If you like this textbook, please consider to make a donation to support the author's research at Lehigh University: Click Here to Donate.


    13.4: Homework Problems Chapter 8 is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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