<unk> (II) chloride has the formula<unk> Cl2. It is also known as<unk>  chloride,<unk>  dichloride, and plumbous chloride. <unk> Cl2 is one of the most important<unk> -based reagents. <unk> Cl2 also occurs naturally in the form of the mineral cotunnite.
Lead
Cobalt
Nickel
Mercury
Mercury 
Organophosphorus
Ostium
Thiol