If the atomic number of an element x is 27 then deduce the possible values of four quantum number for the 20th electron
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Firstly, the electronic configuration by Aufbau's Principal for Cobalt-27:
1s2,2s2,2p6,3s2,3p6,4s2,3d7
The 20th electron lies in the 4th orbit due to which we may deduce the quantum numbers as:
Principal quantum number : 4(N)
Azimuthal quantum number : 0(s)
Magnetic quantum number : 0
Spin quantum number: +1/2
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