It's a very common compound that you should be very familiar with; NaCl. Sodium chloride, otherwise known as salt.
NaCl
Potassium chloride, with formula KCl.
Cacl2
The "symbol" for a compound is properly called a chemical formula, and for methylene chloride it is CH2Cl2.
Argon is a noble gas, which does not combine with chlorine.
NaCl
This compound is magnesium chloride (MgCl2).
Sodium chloride is a compound; a compound has a chemical formula (or a formula unit) not a chemical equation. The formula unit of sodium chloride is NaCl.
Silver Chloride is a chemical compound. Its chemical formula is AgCl.
The chemical formula of magnesium chloride is MgCl2.
The chemical formula of barium chloride is BaCl2.
The chemical formula of aluminum chloride is AlCl3.
The chemical formula of magnesium chloride is MgCl2.
Potassium chloride, with formula KCl.
Example: sodium chloride, NaCl.
poly-vinyl chloride
Cacl2