Question

Write and spin quantum number?

Answer 1

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✖️Write a spin quantum number✖️

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>>Thus quantum number refers to the possible orientation of spin of an electron one clock wise and the other anticlockwise spin.

>>These are represented by +1/2 (or)-1/2



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Answer 2

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⭐Spin quantum number ⭐

George Uhlenbeck and Samuel Goudsmit proposed the fourth quantum number known as electronic spin quantum number in 1925.
This quantum number tells that the electron rotates on its own axis either in clockwise or in anticlockwise direction.
Spin quantum number is denoted by two values : $+\frac{1}{2}$ and $-\frac{1}{2}$.

The two values $+\frac{1}{2}$ and $-\frac{1}{2}$ are usually designated by up spin and down spin.
Only two electrons can occupy a single orbital with opposite spin.$<h4><font color = Yellow>Hope this helps...:)$