Chlorine vs. Chloride

Chlorinenoun

A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17.

Chlorinenoun

(countable) A single atom of this element.

Chlorinenoun

One of the elementary substances, commonly isolated as a greenish yellow gas, two and one half times as heavy as air, of an intensely disagreeable suffocating odor, and exceedingly poisonous. It is abundant in nature, the most important compound being common salt (Sodium chloride). It is powerful oxidizing, bleaching, and disinfecting agent. Symbol Cl. Atomic weight, 35.4.

Chlorinenoun

a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)

Chlorine

Chlorine is a chemical element with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them.

Chloridenoun

(chemistry) any salt of hydrochloric acid, such as sodium chloride, or any binary compound of chlorine and another element or radical

Chloridenoun

A binary compound of chlorine with another element or radical; as, chloride of sodium (common salt).

Chloridenoun

any compound containing a chlorine atom

Chloridenoun

any salt of hydrochloric acid (containing the chloride ion)

Chloride

The chloride ion is the anion (negatively charged ion) Cl−. It is formed when the element chlorine (a halogen) gains an electron or when a compound such as hydrogen chloride is dissolved in water or other polar solvents.