How do you draw the Lewis structure of carbonate dianion?

1 Answer
anor277
Dec 14, 2017

You mean of carbonate anion....

Explanation:

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You mean of carbonate anion, i.e. #CO_3^(2-)#?

Carbonate anion is composed of 4 atoms, and we conceive the negative charge to lie on the most electronegative species, i.e. on the oxygen atoms....

A Lewis structure of #O=C(-O)_2^(-)# is conventional...this distributes the #18+4+2=24*"electrons"# as required....

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