Dinitrogen Tetraoxide
Explanation:
Since nitrogen and oxygen are two non metals, they make up a binary covalent compound.
In N2O4, since there is two nitrogen’s, using the chart in the image below we can see that we would use the “di“ prefix (in this case). Since there are 4 oxygen’s we would add the prefix “tetra” as stated in the chart and turn oxygen into oxide; as the rule is add “ide” to the ending of a nonmetal in a binary covalent/ionic compound.
