Self-Test 3.10A

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Jaquelinne Rodriguez-Lopez 1L
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Self-Test 3.10A

Postby Jaquelinne Rodriguez-Lopez 1L » Sun May 20, 2018 6:30 pm

Pg. 88 gives the Lewis structure for XeF4 along with the number of electrons in the expanded shell. Xe has its 4d, 5s, and 5p orbits full. The structure on pg 88 shows Xe with 12 electrons. Why does XeF4 expand to 12 electrons and not 10 electrons?


Jasmine Emtage-1J
Posts: 24
Joined: Fri Apr 06, 2018 11:02 am

Re: Self-Test 3.10A

Postby Jasmine Emtage-1J » Sun May 20, 2018 9:14 pm

An expanded octet for Xe would allow it to take on 10 extra electrons (in its d-orbital) on top of the 8 it needs for its octet. When you give it 12 electrons your really only putting 4 electrons in its d-orbital.

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