magnesium and fluorine react chemically producing magnesium fluoride
fluoride_ion is fluorine_atom. sodium_fluoride is ionic_compound. fluoride_ion is not fluorine_atom. magnesium_fluoride is not chemical_compound. magnesium_nitride is not chemical_compound. magnesium_nitride is chemical_compound. fluoride is element. fluorine is chemical_element. fluoride is chemical_compound. magnesium_fluoride is chemical_compound.