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NEET levelSingle correct optionDifficulty 1 of 3pn111

Which of the following group 16 elements is radioactive?

  1. ASulphur
  2. BSelenium
  3. CPolonium
  4. DTellurium

Answer: C

Polonium is the last member of group 16 and has no stable isotope; it is radioactive. S, Se and Te are stable elements.
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