The compound N2F4 is classified as a covalent compound. This is because it consists of two nonmetals: nitrogen (N) and fluorine (F). In covalent bonds, atoms share electrons to achieve stability, which is the case here.
N2F4 is named dinitrogen tetrafluoride. The prefix ‘di-‘ indicates that there are two nitrogen atoms, and ‘tetra-‘ indicates that there are four fluorine atoms in the molecule.