Question

what are cations and anions?? give few examples

Answer 1

Anion vs. Cation. Ions result from atoms or molecules that have gained or lost one or more valence electrons, giving them a positive or negative charge. Those with a negative charge are called anions and those with a positive charge are calledcations.

Answer 2

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A cation is an ion with a positive charge. Anions are ions with a negative charge. 

Ex --- Na+ , Cl -