Question

Write about Spin quantum number . ​

Answer 1

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The spin quantum number is the fourth quantum number, denoted by s or ms. The spin quantum number indicates the orientation of the intrinsic angular momentum of an electron in an atom. It describes the quantum state of an electron, including its energy, orbital shape, and orbital orientation.

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Answer 2

Answer:

Here is your answer

1. It was proposed by Uhlenbeck and Goldsmith .
2. They explained about the double lined spectra of alkali metals .
3. It is denoted by the letter $m_{s}$ or s .
4. s can have the values ${+}\frac{1}{2}$ and ${-}\frac{1}{2}$ .
5. The clock-wise revolving electron is represented by upward arrow mark ( ↑ ) .
6. The anti-clockwise revolving electron is represented by downward arrow mark ( ↓ ) .
7. The arrow mark describes the spin of the revolving electron .