Question

what is an ion with examples?
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Answer 1

Answer:

An ion is an atom or a group of atom in which the number of electrons is different from the number of protons ex. sodium ion Na+, chloride ion cl- and oxide ion O2-.

Answer 2

An ion is an atom or group of atoms where the number of electrons is not equal to the number of protons. That means when a stable atom gains or loses an electron, it becomes an ion. Examples of ions are as follows: H+,Na+,Ca2+,F−,O2−

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