Electron Configuration
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Chase Yonamine 1J
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- Joined: Fri Sep 28, 2018 12:17 am
Electron Configuration
What is the correct electron configuration of Br? [Ar] 3d10 4s2 4p5 or [Ar] 4s2 3d10 4p5?
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anthony_trieu2L
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Re: Electron Configuration
A more conventional way to write the electron configuration of Br is [Ar] 4s2 3d10 4p5 since the 4s subshell is filled first. However, either is correct.
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Manu Vohra 1L
- Posts: 61
- Joined: Wed Oct 03, 2018 12:15 am
Re: Electron Configuration
According to the textbook, [Ar] 4s23d104p5 is the correct way to write the electron configuration of Br.
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Brian Chhoy 4I
- Posts: 66
- Joined: Fri Sep 28, 2018 12:16 am
Re: Electron Configuration
The 4s orbital is written before the 3d orbital to show that it is of lower energy, since the farther the orbital you go, the more energy it has.
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