Differentiate between ion and molecular ion.

1) “Those species which carry either positive or negative charge are called ions.”
2) Anions having group of atoms are more abundant than cations.
3) Examples: K+, Mg2+, Al3+, O2–, CO32– etc.
1) “When a molecule loses or gains an electron, it forms a molecular ion.”
2) Cationic molecular ions are more abundant than anionic ones.
3) Examples: CH4+, N2+, CO+ etc.                                                           

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