I am very confused about how to write this structure. The question says that this exists as O2N-NO2, so does that mean that these two structures are separate and then connected through a bond?

NO2 has this structure

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTDOXUogUdEoPrgngQGMfzAnbhXZvqQvjl8xIOYOuo&s=0

With lower temperature two of the molecules connect with the single electrons of each nitrogen.