what is Quantum number???
sheikhanasmd1732:
a number which occurs in the theoretical expression for the value of some quantized property of a subatomic particle, atom, or molecule and can only have certain integral or half-integral values.
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Quantum Numbers describes values of conserved quantities in the dynamics of a quantum system..
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To describe each electron in an atom in different orbitals , there is four quantum number given to find it :-
1)Principal quantum number.
2)Azimuthal quantum number
3)Magnetic quantum numbers
4)Spin quantum number
The quantum no identifies shell ,orbital ,shape of orbitals ,spin of electrons etc.
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