How does charge affect a lewis structure?
Well, a Lewis structure should reflect our idea of formal charge....
And let us take nitrite ion as an exemplar.....we gots
And either resonance isomer does distribute the nine electron pairs...
Nitrite ion has a formal negative charge.....given the diagram, the left hand structure has a oxygen atom with with 7 valence electrons, i.e. with the two inner core electrons, there are 9 electrons associated with this atom, and thus a formal negative charge, i.e. for oxygen
On the other hand, the central nitrogen formally owns 5 valence electrons, and with the two inner core electrons, has 7 electrons to balance the 7 nuclear charges....and thus nitrogen is represented as a neutral species.