Question

how to form chloride ion from its atom​

Answer 1

Answer:

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Explanation:

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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. Chloride salts such as sodium chloride are often very soluble in water.

Conjugate acid: Hydrogen chloride

Chemical formula:   Cl−

Other anions:        Fluoride; Bromide; Iodide