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What are the possible values of principa...

What are the possible values of principal (n) and azimuthal (l) quantum number for the unpaired electron in the atom of an element whose atomic number is 9 ?

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To find the possible values of the principal quantum number (n) and the azimuthal quantum number (l) for the unpaired electron in the atom of an element with atomic number 9, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Element**: - The atomic number 9 corresponds to the element fluorine (F). 2. **Write the Electronic Configuration**: ...
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Knowledge Check

  • The correct set of quantum numbers for the unpaired electron of Cu atom is :

    A
    n = 3, l = 2, m = –2, s = +1/2
    B
    n = 3, l = 2, m = +2, s = –1/2
    C
    n = 4, l = 0, m = 0, s = +1/2
    D
    n = 4, l = 1, m = +1, s = +1/2

  • The correct set of quantum number for the unpaired electron of chlirine atom is

    A
    `n = 2,l = 1,m = 0`
    B
    `n = 2,l = 1,m = 0`
    C
    `n = 3,l = 1,m = 1`
    D
    `n = 3,l = 0,m = 0`

  • The principal and azimuthal quantum number of electrons in 4f orbitals are

    A
    4,2
    B
    4,4
    C
    4,3
    D
    3,4

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