Question

what is an ion with example

Answer 1

an ion is an atom for a group of atom where nu of electron is not equal to number of proton

Answer 2

Here is your answer-

An ion is an atom or group of atoms where the number of electrons is not equal to the number of protons. When an atom loses or gains electrons, a positive or negative charge is the result. If electrons are gained, theion is a cation and when electrons are lost, it is an anion.
For eg. Na+ , Mg++, Cl-, etc.

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