This could be two different entities.
Snf3 is a protein involved in the control of glucose uptake in yeast. Proteins are basically covalently bound, though other types of bonding are involved in their secondary and tertiary structures.
SnF(subscript 3)(superscript -) is an ion, not a complete compound. Its internal bonding is covalent.
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.
Diboron trisulfide is a covalent compound.
It is polar covalent, not ionic