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how to determine the elements that are expanded octet and incomplete octet?
 one year ago
 one year ago
how to determine the elements that are expanded octet and incomplete octet?
 one year ago
 one year ago

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pieprzBest ResponseYou've already chosen the best response.1
do you mean in general or from a lewis diagram or...
 one year ago

anisfekryBest ResponseYou've already chosen the best response.0
for the lewis diagam
 one year ago

pieprzBest ResponseYou've already chosen the best response.1
ok, well first you know what the octet rule is right?
 one year ago

anisfekryBest ResponseYou've already chosen the best response.0
yea..I understand that one
 one year ago

pieprzBest ResponseYou've already chosen the best response.1
elements of period 3 and above can expand their valence shells to include extra lone pairs or bonded pairs
 one year ago

pieprzBest ResponseYou've already chosen the best response.1
but 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)?
 one year ago

pieprzBest ResponseYou've already chosen the best response.1
in any case, you can always count the number of valence electrons and bond pairs and see if anything is different than it should be
 one year ago

pieprzBest ResponseYou've already chosen the best response.1
too little = incomplete (many things with Al, Be, B) and "free radicals" to many = expanded (ICl4, phosphorus (PCl5)
 one year ago

pieprzBest ResponseYou've already chosen the best response.1
i have to go, maybe this would help http://chemed.chem.wisc.edu/chempaths/GenChemTextbook/ExceptionstotheOctetRule573.html good luck
 one year ago
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