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Answer:

fluoride ion

Explanation:

If atoms gain electrons, they become negative ions, or anions. Consider the example of fluorine (see Figure below). A fluorine atom has nine protons and nine electrons, so it is electrically neutral. If a fluorine atom gains an electron, it becomes a fluoride ion with an electric charge of -1.

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When a fluorine atom will gain electrons then it will form an anion,[tex]F^{-}[/tex].

What is anion?

An ion having a negative charge, or one with more electrons than protons, is referred to as an anion. When an element acquires one or even more electrons, anion formation was observed.

What is an atom?

The smallest component of ordinary stuff that makes up a chemical element is just an atom.

Atoms generate negative ions, or anions when they gain electrons.  A fluorine atom is generally electrically neutral since it possesses nine protons as well as nine electrons. Gaining an electron causes a fluorine atom to will have to become a fluoride ion, which has an electric charge of such -1.

To know more about the atom and anion

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