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An anion is an ion with negative electrical charge.

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7y ago
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5mo ago

No, having four valence electrons does not determine whether an atom is an anion. An anion is formed when an atom gains electrons to have a negative charge. If the atom with four valence electrons gains four more electrons, it would become an anion.

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Q: If an atom has four valence electrons is it an anion?
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How many valence does a carbon atom have?

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