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Chem HELP!!

Which one of the following sets of quantum numbers can correctly represent a 3p orbital?

a) (n = 3 l = 1, ml = 2)

b)(n = 1, l = 3, ml = 3)

c) (n = 3, l = 2, ml = 1)

d) (n = 3, l = 1, ml = -1)

e) (n = 3, l = 0, ml = 1)

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Eric

  1. 3p so

    n = 3
    l = 1 because it's a p
    ml can be -1 or 0 or +1

    You take it from here.
    You can immediately rule out a because of mL, b because of n, c because l, etc.

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    DrBob222

  2. The answer should be Option (d) (n = 3, l = 1, mₗ = -1).

    This is because a 3p orbital must have n = 3.
    *That eliminates Option (b), because it has n = 1*

    A p orbital must have l = 1.
    *That eliminates Options (c), and (e), because they have l = 2, and 0*

    The mₗ is required to be an integer satisfying −l ≤ m ≤ l, so mₗ could be any of −1, 0, or +1.
    *That eliminates Option (a), because they have mₗ = 2*

    The only correct option is:
    (d) n = 3, l = 1, mₗ = -1

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    Hmmmm

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