Electric Spin

Moderators: Chem_Mod, Chem_Admin

Andy Liao 1B
Posts: 52
Joined: Thu Jul 13, 2017 3:00 am

Electric Spin

Postby Andy Liao 1B » Sat Oct 21, 2017 4:55 pm

How do you determine if an electron will spin up or spin down?

Leanne Wong 1H
Posts: 50
Joined: Tue Oct 10, 2017 7:13 am
Been upvoted: 1 time

Re: Electric Spin

Postby Leanne Wong 1H » Sat Oct 21, 2017 5:03 pm

When you draw the electron configuration, it will determine if the electron is spin up or down.

Rucha Kulkarni 2A
Posts: 43
Joined: Fri Sep 29, 2017 7:05 am

Re: Electric Spin

Postby Rucha Kulkarni 2A » Sat Oct 21, 2017 5:11 pm

I don't think it matters for unpaired electrons; it just says that paired electrons should have the opposite spin numbers.

Matthew 1C
Posts: 47
Joined: Fri Sep 29, 2017 7:06 am

Re: Electric Spin

Postby Matthew 1C » Sat Oct 21, 2017 7:37 pm

Does that mean that when doing configurations it doesn't matter if we choose clockwise or counterclockwise spin for single electrons? Or is there a preference?

Scott Chin_1E
Posts: 55
Joined: Sat Jul 22, 2017 3:00 am

Re: Electric Spin

Postby Scott Chin_1E » Sat Oct 21, 2017 7:54 pm

Generally, according to Hund's Rule, electrons in the same subshell occupy different orbitals with parallel spin due to their repulsion to each other. So more commonly, you can fill in electron configurations first with the spin up electrons until all orbitals are filled, then fill in with spin down electrons. However, you can also do this starting with spin down electrons. Just be sure you are applying Hund's Rule when doing so.

Ashin_Jose_1H
Posts: 51
Joined: Fri Sep 29, 2017 7:04 am

Re: Electric Spin

Postby Ashin_Jose_1H » Sat Oct 21, 2017 10:38 pm

Matthew Regner 3C wrote:Does that mean that when doing configurations it doesn't matter if we choose clockwise or counterclockwise spin for single electrons? Or is there a preference?



Usually, you fill the electron configurations by starting with "spin up." However, you can also start with "spin down" as long as Hund's Rule is valid.


Return to “Wave Functions and s-, p-, d-, f- Orbitals”

Who is online

Users browsing this forum: No registered users and 2 guests