Final answer:
The correct name for NH4NO3, a compound found in fertilizers, is ammonium nitrate.
Step-by-step explanation:
The correct name for NH4NO3, a compound found in fertilizers, is ammonium nitrate. The formula NH4 represents the ammonium ion, which indicates that this compound is ionic. Ammonium nitrate is a widely used nitrogen-containing compound in fertilizers, providing a source of nitrogen for plants.