The crossword solution for the term 'Chloride' is 'Ethyl'. Chloride is an ion of chlorine, which is a chemical element found in the periodic table. It is an anion with the chemical formula Cl− and is the most common form of chlorine in nature. Ethyl chloride is an organic compound with the formula C2H5Cl. It is a colorless, flammable gas with a sweet odor. It is used as a solvent and in refrigeration systems.