Chemistry / Chem 0831 · Atom · ~20 seconds
The Spin Quantum Number, ms
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The spin quantum number, ms, takes one of two values, +1/2 or −1/2, an intrinsic electron property independent of its orbital.
Show
Two electrons sharing one orbital must carry opposite ms values, one +1/2 and one −1/2, distinguishing them from each other.
Watch for
Spin is not literal spatial spinning of a tiny ball — it is an intrinsic quantum property with two possible values.