Sulfur as an Octet Exception

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

Sulfur as an Octet Exception

Postby Kathleen Vidanes 1E » Mon Oct 30, 2017 6:50 pm

Why is Sulfur allowed to have more than an octet in a Lewis dot structure? What other elements are allowed to have more than an octet and why?

Lily Sperling 1E
Posts: 49
Joined: Tue Oct 10, 2017 7:14 am

Re: Sulfur as an Octet Exception

Postby Lily Sperling 1E » Mon Oct 30, 2017 8:16 pm

P, S, and Cl can have more than 8 electrons, therefore breaking octet. This occurs because atoms in a period of three or higher have d-orbitals in the valence shell which can accommodate additional electrons. It helps to remember that octet, 8 electrons, would be s^2,p^6 without a d-orbital --> n=1 =s; n=2=s,p; n=3=s,p,d; n=4=s,p,d,f


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