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How does an atom becom a negative ion?

Updated: 8/20/2019
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11y ago

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It becomes whenever it gains one or more electron.

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13y ago
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11y ago

When an atom (typically an electronegative atom) gains one or more electrons, it becomes an anion (a negative ion).

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12y ago

by gaining an electron.

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Q: How does an atom becom a negative ion?
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