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

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Chemistry WAEC 1999

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

  • S decays faster than Q
  • Q is twice as stable as S
  • Q emits fewer particles than S
  • S is more stable than Q checkmark

The correct answer is: D

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