Well, TiCl_4TiCl4 is so-called "titanic chloride"titanic chloride, and TiCl_2TiCl2 "titanous chloride"titanous chloride. We would call TiCl_3TiCl3 and TiF_3TiF3, "titanium(III) chloride"titanium(III) chloride and "titanium(III) fluoride"titanium(III) fluoride. The chlorides are fairly common inorganic precursors....