Argon is an inert gas, and an inert gas does not want to combine with anything else. There is no compound name for a lithium and argon compound because there is no lithium and argon compound.
Lithium Carbonate is the name for the ionic compound Li2CO3.
lithium bromide
LiCl is an ionic compound called lithium chloride.
lithium sulfide
Lithium phosphate.
Lithium Oxide
Lithium chloride
Lithium sulfide
Lithium Iodide
Lithium Sulphide