A sample of technetium-99m has an activity of 1.5 Ci. How many disintegrations occur in the technetium-99m sample in 5.0 sec?
A) 
B) 
C) 
D) 
E) 
Correct Answer:
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Q19: Which of the following types of radiation
Q20: The product from the alpha decay of
Q21: A patient receives 10 mrads of gamma
Q22: The unit used to measure the amount
Q23: What particle is emitted in the following
Q25: Iodine-131 decays by beta decay to
A)iodine-132.
B)xenon-131.
C)tellurium-131.
D)bromine-131.
E)iodine-130.
Q26: Radium-226 decays by alpha decay to
A)barium-131.
B)cobalt-60.
C)radon-222.
D)polonium-218.
E)carbon-14.
Q27: One symptom of mild radiation sickness is
A)a
Q28: When aluminum-27 is bombarded with a neutron,
Q29: What is missing in the nuclear reaction
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