Question

How can an ion become an atom?

Answer 1

Metal atoms and non-metal atoms go in opposite directions when they ionise: Metal atoms lose the electron, or electrons, in their highest energy level and become positively charged ions. Non-metal atoms gain an electron, or electrons, from another atom to become negatively charged ions.

Answer 2

if an ion has equal number of protons and electrons,it becomes as neutral ion
that neutral ion is known as atom
thus,ion become an atom

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