Answer :
feature of Magnetic quantum numbers specifies the orientation in space of an orbital of a given energy and shape.
Who discovered the magnetic quantum number ?
Magnetic quantum number was proposed by Lande in order to explain the Zeeman and stark effect . The splitting of spectral lines in strong magnetic field is called Zeeman effect and splitting in strong electric field is called Stark effect.
The formula of magnetic quantum numbers is ( 2l+1) . The total number of orbitals in a given subshell is a function of the "l" value of that orbital. It specifies the orientation in space of an orbital of a given energy and shape.
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