|Nov6-06, 08:43 AM||#1|
Coordinate Covalent Bonds
Do coordinate covalent bonds have to involve the sharing of a PAIR of electrons or can it just be a single electron?
Now, since Xe already has a full octet, it would seem correct that the F basically shares electrons to Xe without donating any as well. This would only be true if F only "took" one from Xe since it only needs one e- to fullfill octet. Or are there simply 4 normal covalent bonds formed so that Xe has 12 electrons in outer shell (and violates octet rule).
|Nov6-06, 01:45 PM||#2|
In other words, your last sentence is generally correct (there are four covalent bonds, there are two lone pairs on xenon, and xenon exceeds the octet rule).
|Nov6-06, 04:11 PM||#3|
the octet rule is only valid when speaking about the second row. Otherwise, it is junk.
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