XeO2F2 Lewis Structure  [ENDORSED]

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Brynne Keyser 1B
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Joined: Fri Apr 06, 2018 11:03 am

XeO2F2 Lewis Structure

Postby Brynne Keyser 1B » Sat May 19, 2018 6:41 pm

Why does the central Xenon atom have 12 electrons surrounding it? I am confused as to how to construct the Lewis Dot Diagram for this molecule.

Thanks in advance!

Jack Martinyan 1L
Posts: 32
Joined: Thu Feb 22, 2018 3:00 am
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Re: XeO2F2 Lewis Structure  [ENDORSED]

Postby Jack Martinyan 1L » Sat May 19, 2018 8:04 pm

Beginning with the n=3 principle quantum number, the d orbitals become available (l=2). Because of this, Xe can have more than an octet. While drawing the lewis structure, we are looking for the structure with a formal charge closest to zero. This is why Xe has 12 electrons instead of eight.
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