# Dr Bob thanks last one

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Last one thanks

lewis dot for

CO3^2-

• Dr Bob thanks last one -

Too tough.

:O:
..
C::O:
..
O:
..

plus add two electrons to the right O. Add a 2- charge to the ion. This is ONE resonance form. You can draw the other two by moving the double bond from the central O (where I have it) to the top or to the bottom O.
Check to see that there are 24 electrons.

• Dr Bob thanks last one -

You must add two electrons to the top O, two to the right O, and two to the bottom O. I count 18 on what I drew, and it will make 24 if you had those 3 sets of two each.

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