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How are ions formed?

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Ions are formed when neutral atom gains or lose electrons to become positively or negatively charged.

Ions are formed when two atoms join together

Ions are formed when neutral atom gains or lose protons to become positively or negatively charged

Ions are formed when the outer energy shell of an atom is filled

answer is A.

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Detailed Solution

An ion is generated when an atom gains or loses an electron.

Ions are generally of two types: cations or positively charged ions, and anions, or negatively charged ions.

Hence the correct answer is Ions are produced when a neutral atom gains or loses electrons.

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