Octet Exception D-Orbitals

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Ranger Saldivar 2D
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Joined: Fri Sep 25, 2015 3:00 am

Octet Exception D-Orbitals

Postby Ranger Saldivar 2D » Sun Oct 25, 2015 8:37 pm

So according to class lecture, an expanded octet is when an element can have more than 8 valence electrons after sharing electrons so is this rule only applicalble to those elements in the 13, 14, 15 , 16, 17, and 18th groups minus those in the 2nd period since they have an available d-orbital?

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Re: Octet Exception D-Orbitals

Postby Chem_Mod » Sun Oct 25, 2015 9:51 pm

Yes. Molecules with expanded octets involve highly electronegative terminal atoms, and a nonmetal central atom found in the third period or below, which those terminal atoms bond to.

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