The principal quantum number tells the ....

The principal quantum number tells the .............to which electron belongs.

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An electron in an atom can be completely designated with the help of four quantum numbers. Out of these, the first three i.e., principal (n), azimuthal (l) and magnetic (m) quantum number are obtained from the solution of Shrodinger wave equation while the spin(s) quantum number arises from the spin of the electron around its axis clockwise or anticlockwise. Of these principal quantum number tells about the size, azimuthal quantum number about the shape and magnetic quantum signifies the orientation of the electron orbital. How many electrons in a given atom have the following set of quantum numbers? n = 3, l =2, m = +2, s = -1//2

Quantum number area assigned to get complete information of electrons regarding their energy angular momentum ,spectral lines etc. Four quantum number are known i.e principal quantum numbers which tell the distinct shell and its angular momentum .Azimuthal tell about subshell and Magnetic quantum number deals with different orbitals in subshell. spin quantum number defines the spin of electrons designated as +(1)/(2) or-(1)/(2) Electrons are filled in orbitals according to Hund's rule of maximum multiplicity . Two unpaired electrons present in carbon atom are different with respect to their :

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