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30 September, 05:14

If the value of n = 2

... The quantum number l can have values from

to.

... The total number of orbitals possible at the n = 2 energy level is.

If the value of l = 3

... The quantum number ml can have values from to.

... The total number of orbitals possible at the l = 3 sublevel is

+4
Answers (1)
  1. 30 September, 05:37
    0
    Principle quantum number, n = 2

    l = 0, 1

    if l = 0, m = 0

    l = 1, m = - 1, 0, + 1

    Total number of orbitals = 4

    Principle quantum number, n = 3

    l = 0, 1, 2

    if l = 0, m = 0

    l = 1, m = - 1, 0, + 1

    l = 2, m = - 2, - 1, 0, + 1, + 2

    Total number of orbitals = 9

    Explanation:

    Principle quantum number, n = 2

    L can take values from 0 to n-1.

    So, l = 0, 1

    The values of m = - l to l

    So, if l = 0, m = 0

    l = 1, m = - 1, 0, + 1

    Total number of orbitals = 4 which are s orbital (l = 0) and 3 p orbitals (l = 1)

    Principle quantum number, n = 3

    L can take values from 0 to n-1.

    So, l = 0, 1, 2

    The values of m = - l to l

    So, if l = 0, m = 0

    l = 1, m = - 1, 0, + 1

    l = 2, m = - 2, - 1, 0, + 1, + 2

    Total number of orbitals = 9 which are s orbital (l = 0) and 3 p orbitals (l = 1) and 5 d orbitals (l = 2)
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