<unk> (II) chloride (or just<unk>  chloride), is the chemical compound<unk> Cl2. The anhydrous salt is yellow, but the more familiar hydrate<unk> Cl2·6H2O is green.  A dihydrate is also known. In general<unk> (II) chloride, in various forms, is the most important source of<unk>  for chemical synthesis.<unk>  salts are carcinogenic.
Nickel
Organonickel
Cilium
Cobalt
Mercury
Mercury 
Lead
Formaldehyde