Two radioactive elements Q and S have half-life periods of 10 hours and 20 hours

CHEMISTRY
WAEC 1999

Two radioactive elements Q and S have half-life periods of 10 hours and 20 hours respectively. Therefore

  • A. S decays faster than Q
  • B. Q is twice as stable as S
  • C. Q emits fewer particles than S
  • D. S is more stable than Q

Correct Answer: D. S is more stable than Q



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