[A First Review of Basic Chemistry]

17. What electronic charge will be found on one ion of oxygen?

A) -2 ------- The oxygen has 8 protons (total charge of +8) while it has 10 electrons (total charge of -10). Thus its net charge is -10 + +8 = -2. This means the oxygen gained two electrons.

B) -1

C) neutral (no charge)

D) +1

E) +2

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