SAT II Chemistry Exam Prep

Category - Multiple Choice

Which of the following statements best describes chemical reduction?
  1. A loss of neutrons
  2. A gain of neutrons
  3. A loss of protons
  4. A loss of electrons
  5. A gain of electrons
Explanation
Answer: A gain of electrons

Reduction is best classified as a gain of electrons. A helpful mnemonic to remember oxidation and reduction is OIL RIG (oxidation is losing electrons, reduction is gaining electrons).
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