Determine best resonance structure

[virtualmaster999]

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Hi everyone!

I'm a little confused on this...

So I thought you wanted to go by this:
1) Check octet rule
2) Least number of charges
3) Negative charges on electronegative atoms, positive charges on electropositive charges

But then I came across some examples like N3-, where the correct structure was not the one with the least charges, but the one with the distribution of charge....how can I piece this all together?

Thanks in advance!

 

[DAT Destroyer]

Hi everyone!

I'm a little confused on this...

So I thought you wanted to go by this:
1) Check octet rule
2) Least number of charges
3) Negative charges on electronegative atoms, positive charges on electropositive charges

But then I came across some examples like N3-, where the correct structure was not the one with the least charges, but the one with the distribution of charge....how can I piece this all together?

Thanks in advance!

Hope this helps!

Dr. Jim Romano

 

[virtualmaster999]

Hope this helps!

Dr. Jim Romano

Perfect! Thanks Dr. Romano!