What does the number of valence electrons an atom has have to do with whether the atom will gain electrons or lose electrons?

Chemistry

Question
What does the number of valence electrons an atom has have to do with whether
the atom will gain electrons or lose electrons?
Answer

The number of valence electrons an atom has determines whether it will gain or lose electrons in order to achieve a stable electron configuration.

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The number of valence electrons an atom has is important because it determines whether the atom will gain or lose electrons in order to achieve a stable electron...
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