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Write the set of quantum numbers for the...

Write the set of quantum numbers for the lastly entered electron of oxygen atom.

Text Solution

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Configuration of oxygen is `1s^(2) 2s^(2) 2p^(4)`

The lastly entered electron is the 4th in the 2p. The set of quantum numbers is = `(2 , 1 , -1 , (1)/(2))`.
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Knowledge Check

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

    A
    `2, 0, 0, +1//2`
    B
    `2, 1, -1, +1//2`
    C
    `3, 1, 1, +1//2`
    D
    `3, 0, 0, +1//2`

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

    A
    `{:(n , l,m),(2,1,0):}`
    B
    `{:(n, l , m),(2, 1 , 1):}`
    C
    `{:(n, l , m),(3,1 , 0):}`
    D
    `{:(n ,l , m),(3,0,0):}`

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

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

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