Yes
yes chloride is a compound. single atom of chlorine is not stable. so easily combines with another chlorine atom and forms a molecule and which is also unstable so it readily binds with other...
No, it is ionic as are all sodium compounds.
Copper(II) chloride is already a compound; its formula is CuCl2
Yes. It has constant proportions between lithium and chlorine but can be decomposed into its elements.