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10, 12, or more electrons in extended octet?

Posted: Sat Jul 22, 2017 10:52 pm
by JD Malana
How do we know if an element that can have an expanded octet will have 10, 12, or more electrons in that octet?

Re: 10, 12, or more electrons in extended octet?

Posted: Sat Jul 22, 2017 11:44 pm
by Kyle Sheu 1C
You would have to take into account the total number of electrons available as well as how many bonds the central atoms makes.

As a general guideline I've found that compounds comprised of halogens and noble gases (e.g. ClF3, XeF2, SF6, SeF4) tend to have expanded octets.