Question

the correct set of quantum numbers of unpaired electron of chlorine atom ----------------------------

Answer 1

n-3,l-1,m-1
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Answer 2

The correct set of quantum numbers of unpaired electron of the chlorine atom is n = 3, l = 1, and m = 1.

Explanation:

• The atomic number of chlorine is 17. Thus the electronic configuration of element is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{5}$.
• As the last orbital is p, it contains 5 electrons in it.
• As per this data, the correct set of the quantum numbers of unpaired electron of the chlorine atom is that the principal quantum number (n) is 3 and it gives picture about size of the orbital.
• The Azimuthal quantum number (l) is 1, and gives information about the shape of the orbital.
• As n=3, and l = 1, magnetic number (m) which depicts the spin of the electron corresponds to 1.
• Thus it is inferred that the correct set of quantum numbers of unpaired electron of the chlorine atom is 3,1,1.

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