Q. Which of the following is a radioactive element?

  • (A) Sulphur
  • (B) Polonium
  • (C) Tellurium
  • (D) Selenium
✅ Correct Answer: (B) Polonium

Published by Yami Thakur ⭐ 10.63K Points at 01-May-2022 11:03 am in Chemistry

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