Radical Question

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Ava Harvey 2B
Posts: 54
Joined: Fri Sep 29, 2017 7:04 am

Radical Question

Postby Ava Harvey 2B » Fri Nov 17, 2017 9:59 pm

Hi! I was just wondering why exactly the radical electron goes on the least electronegative atom when drawing and figuring out the best Lewis structure. If someone could help clarify, that would be great! Thanks!

Shawn Patel 1I
Posts: 54
Joined: Thu Jul 27, 2017 3:01 am

Re: Radical Question

Postby Shawn Patel 1I » Sat Nov 18, 2017 11:38 am

Hey,
The radical electron, or the lone electron, would be placed on the least electronegative atom because the more electronegative atoms in the molecule would rather have the full set. The more electronegative an atom is, the more it pulls away other electrons, so the least electronegative atom is less likely to pull the electron to itself for a full set.

Hope this helps.

Kathleen Vidanes 1E
Posts: 62
Joined: Fri Sep 29, 2017 7:07 am

Re: Radical Question

Postby Kathleen Vidanes 1E » Sun Nov 19, 2017 6:03 pm

So just to clarify, the least electronegative atom takes the radical electron because it does not need a full set as much as the more electronegative atom does? Is a "full set" considered a lone pair in this case, or a full octet?

alyssawhite1L
Posts: 20
Joined: Fri Sep 29, 2017 7:05 am

Re: Radical Question

Postby alyssawhite1L » Mon Nov 20, 2017 4:15 am

Its less that the radical goes to the least electronegative ion, and more that the MOST electronegative atom is going to attract the maximum amount of electrons possible, which for those that obey the octet is 8.

alyssawhite1L
Posts: 20
Joined: Fri Sep 29, 2017 7:05 am

Re: Radical Question

Postby alyssawhite1L » Mon Nov 20, 2017 4:22 am

so therefore a full set or full octet needs 4 pairs of electrons. so a full set could never contain a radical


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