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Chlorine has seven electrons in its valence shell. It accepts an electron to complete its octet and becomes a chlorine ion (Cl-). What is the nature of this chlorine ion? A) Cation B) Anion C) Metal ion

Respuesta :

As chlorine has seven electrons in its outer most shell so to complete its octet it has to gain an electron and when it gain an electron it will become an anion that is negatively charged
 so in my opinion and what a conclude is that the option B is correct for the above statement
enjoy!
Erudite1

The correct option is B.

Chlorine has seven electrons in its outermost shell, to attain the octet structure, it usually accept electrons from metals. In so doing, it attains an oxidation number of -1 and become an anion. An anion refers to a charged particle that carries a negative charge while a cation refers to a charged particle that carries a positive charge. Chlorine anion has a charge of - 1 because chlorine accept one electron from another element.