M

Mr. Dubey • 100.64K Points
Coach Chemistry

Q. What is the half life of the longest lived isotope of Francium?

  • (A) 1 minute
  • (B) 21 minute
  • (C) 21 hours
  • (D) 100 days
  • Correct Answer - Option(B)
  • Views: 561
  • Filed under category Chemistry

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