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EEJ MAIN Chemistry QUESTION #7203
Question 1
Specify the total number of hydrogen isotopes and the number of those isotopes that are radioactive.
  • 3 and 1✔️
  • 3 and 2
  • 2 and 1
  • 3 and 3
Correct Answer Explanation
  • Total isotopes = 3 (Protium, Deuterium, and Tritium).
  • Radioactive isotopes = 1 (Only Tritium is radioactive, emitting low-energy $\beta^{-}$ particles).