bartholomew5690 bartholomew5690
  • 15-11-2022
  • Chemistry
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The nucleus is a metastable nucleus of technetium-99; it is used in medical diagnostic work. Technetium-99m decays by emitting gamma rays. A 2.5-
μ
g sample has an activity of 13 Ci. What is the decay constant (in units of /s)?

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