Which charge is more favorable?


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404975170
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Which charge is more favorable?

Postby 404975170 » Sun May 20, 2018 5:59 pm

Between these two drawings of Lewis Structures, would it be more favorable to draw the structure so that there is a -1 charge on 2 of the O's and a 0 formal charge on the central atom, S or would it be better for all the O's to have a FC of 0 and then S to have a charge of -2? I’m not sure if there is a rule about charges on the central atom.
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Amanda 1A
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Re: Which charge is more favorable?

Postby Amanda 1A » Sun May 20, 2018 7:30 pm

I was told the goal is to have all the atoms with a charge between -2 and 2 (so only -1,0,1), so I think having a -1 charge on two atoms would be better than -2 on one.

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Re: Which charge is more favorable?

Postby Chem_Mod » Sun May 20, 2018 8:37 pm

Having multiple -1 charges are better than a single -2 charge.


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