Question

part d
n₂o₅
spell out the full name of the compound.

part e
n₂o₄
spell out the full name of the compound.

Explanation:

In naming binary covalent compounds, prefixes are used to indicate the number of atoms of each element. For $N_2O_5$, "di -" is used for two nitrogen atoms and "penta -" for five oxygen atoms. For $N_2O_4$, "di -" for two nitrogen atoms and "tetra -" for four oxygen atoms.

Answer:

Part D: Dinitrogen pentoxide
Part E: Dinitrogen tetroxide