Question

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?

Cation
Anion
Metal ion

Answer 1

Anion is the answer. Hope this helps!!

Answer 2

Ions with positive charge are cation. Those with negative charge are anion. So the answer is therefore ANION.