Asked by Dave

Which of the following nitrogen oxide molecules and related ions is/are diamagnetic and has/have more than two charge-minimized resonance structures?

1. NO
2. NO2
3. N2O4
4. NO2-
Answered by Anon
It's N2O4. I'm doing the same quiz right now lol.
Answered by Dave
why not #4? that has two resonance structures and it is isoelectronic to ozone which is diamagnetic.
Answered by O_O
u guys should know better than to cheat :P