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  • 12-01-2019
  • Chemistry
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Which ion gained 2 electrons and now has 34?

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medoamr2ever
medoamr2ever medoamr2ever
  • 12-01-2019
When a selenium atom gains two electrons there are two more negative charges (36 electrons) than positive charges (34 protons). As a result, the ion has a 2– charge. The symbol for the ion is Se2–. Negative ions are called anions.
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