Answer to Question #48184 in Inorganic Chemistry for Adeela

Question #48184
What is the meant by +-1/2 in spin quantum numbers, and what is its physical significance?
1
Expert's answer
2014-10-28T11:02:50-0400
In atomicphysics, the spin quantum number is a quantumnumber that parameterizes the intrinsic angularmomentum (or spin angular momentum, or simply spin) of a given particle. The spin quantum number is the fourth of a set of quantumnumbers (the principal quantum number, the azimuthal quantum number, the magnetic quantum number, and the spin quantum number), which describe the unique quantum state of an electron and is designated by the letter s. It explains energy, shape and orientation of orbitals.

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