Electrons exist only at fixed levels of potential energy. However, if an atom absorbs sufficient energy, a possible result is that

Electrons exist only at fixed levels of potential energy. However, if an atom absorbs sufficient energy, a possible result is that





  1. the atom would become a positively charged ion, or cation.
  2. an electron may move to an electron shell closer to the nucleus.
  3. an electron may move to an electron shell farther out from the nucleus.
  4. the atom may become a radioactive isotope.
  5. the atom would become a negatively charged ion, or anion.






Answer: C


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