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      Question

      What defines an

      ion?
      A A negatively or positively charged particle Correct Answer Incorrect Answer
      B The nucleus of an atom Correct Answer Incorrect Answer
      C A negative neutron Correct Answer Incorrect Answer
      D A group of photons Correct Answer Incorrect Answer

      Solution

      An ion is an atom or molecule with a net electrical charge due to the loss or gain of one or more electrons.

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