difluorodiazine contains Nitrogen and Fluorine whitch are both nonmetal elements so it is covalent.
General rule;
nonmetal to nonmetal = covalent
nonmetal to metal = ionic
except in acids
N2F2 is a gas at room temperature.
This is an ionic compound.
ionic
Ionic
It is ionic
A nonbinary ionic compound. Covalent bonds are molecular - nonmetal.
Is Ag3N covalent or ionic
It is Ionic
Is CsL ionic or covalent
Covalent
Sulfur tetrachloride is a covalent compound.
It is polar covalent, not ionic