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anonymous
 3 years ago
how to determine the elements that are expanded octet and incomplete octet?
anonymous
 3 years ago
how to determine the elements that are expanded octet and incomplete octet?

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0do you mean in general or from a lewis diagram or...

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0ok, well first you know what the octet rule is right?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0yea..I understand that one

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0elements of period 3 and above can expand their valence shells to include extra lone pairs or bonded pairs

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0but incomplete octet  in your course or book, do they mean the other exceptions to the octet rule (there aren't enough valence elctrons or there are odd numbers)?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0in any case, you can always count the number of valence electrons and bond pairs and see if anything is different than it should be

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0too little = incomplete (many things with Al, Be, B) and "free radicals" to many = expanded (ICl4, phosphorus (PCl5)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0i have to go, maybe this would help http://chemed.chem.wisc.edu/chempaths/GenChemTextbook/ExceptionstotheOctetRule573.html good luck
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