spins

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Sophia Dinh 1D
Posts: 100
Joined: Thu Jul 25, 2019 12:15 am

spins

Postby Sophia Dinh 1D » Mon Oct 21, 2019 5:33 pm

How do you know if the spin is up or down?

005391550
Posts: 103
Joined: Thu Jul 25, 2019 12:15 am

Re: spins

Postby 005391550 » Mon Oct 21, 2019 5:46 pm

+1/2 is spin up and +1/2 is spin down

Adam Kramer 1A
Posts: 103
Joined: Sat Aug 24, 2019 12:15 am

Re: spins

Postby Adam Kramer 1A » Mon Oct 21, 2019 5:46 pm

You can tell in situations like when Dr. Lavelle was writing out the quantum numbers and shells and he wrote out lines above the subshells with arrows pointing up or down to fill the subshell. First all the electrons will fill in spinnning up and then they will fill in spinning down when denoted in the way LAvelle did.

Sarah Nichols 4C
Posts: 52
Joined: Sat Aug 24, 2019 12:18 am

Re: spins

Postby Sarah Nichols 4C » Mon Oct 21, 2019 6:50 pm

The quantum number m sub s denotes the spin of the electron: +1/2 is 'spin up' and -1/2 is 'spin down'

DMuth_1J
Posts: 63
Joined: Thu Jul 11, 2019 12:15 am

Re: spins

Postby DMuth_1J » Tue Oct 22, 2019 11:28 am

It isn't something you have to worry about too much. You're not going to have to calculate or find the direction of spin, just know that in the same orbital two electrons cannot have the same direction spin.


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