Question

what is the name of the compound n2o3?
nitrogen trioxide
nitrogen oxide
dinitrogen trioxide
trinitrogen oxide

Explanation:

In naming covalent compounds, prefixes are used to indicate the number of atoms of each element. The prefix "di -" means 2 and "tri -" means 3. Here there are 2 nitrogen atoms and 3 oxygen atoms in the compound $\text{N}_2\text{O}_3$. So the name is dinitrogen trioxide.

Answer:

dinitrogen trioxide