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PIMSO 2022 - Science - Grade 9 - National Round Question 9

PIMSO Science · PIMSO 2022 - Science - Grade 9 - National Round

Question 9

Which of the following would result in the formation of a paramagnetic atom?

Question illustration

Editorial wording: interpret “atom” as the resulting atomic species, including ions.
  1. One-electron oxidation of Na
  2. One-electron reduction of Li
  3. Two-electron reduction of O
  4. One-electron oxidation of O
  5. None of the above