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MineMan
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[*] posted on 6-10-2019 at 18:03
Counting electrons

I count 24 valence electrons for CO3-2, but when I draw it out with the lone pairs I count only 20...??
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DraconicAcid
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[*] posted on 6-10-2019 at 18:14


Three lone pairs each on two oxygens, two lone pairs on the other oxygen, three sigma bonds and one pi bond is a total of 12 pairs of electrons, which is 24.



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