Expanded Valence Shell Electrons

(Polar molecules, Non-polar molecules, etc.)

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Ann Zhang_1M
Posts: 25
Joined: Wed Sep 21, 2016 2:59 pm

Expanded Valence Shell Electrons

Postby Ann Zhang_1M » Sun Nov 06, 2016 11:06 am

For those elements that can accommodate more than 8 electrons, is it neseccary that P has 10 valence electrons, S has 12 electrons and Cl has 14 electrons?? Can P has more than 10, like 12??

Mannat Sukhija 1E
Posts: 23
Joined: Fri Jul 22, 2016 3:00 am

Re: Expanded Valence Shell Electrons

Postby Mannat Sukhija 1E » Sun Nov 06, 2016 11:37 am

Yes, an expanded octet just means that an atom can have more than 8 valence electrons, it does not limit the number of electrons, for example: PCl6 would be allowed with a phosphorous atom with an expanded octet to fit 12 electrons.

Franklin Kong 3D
Posts: 22
Joined: Fri Jul 22, 2016 3:00 am
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Re: Expanded Valence Shell Electrons

Postby Franklin Kong 3D » Mon Nov 07, 2016 8:50 pm

For atoms like P, S, and Cl, it is possible for them to have a different number of electrons that are more than 8. The reason for this is because their d-orbitals are able to accept additional electrons. Since there are multiple d-orbitals available, the # of valence electrons does not have to be constant for each atom.

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