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Problem- Np-237 (atomic mass= 237.0 amu) has a half life of 2.20x10^6 years. The isotope decays by alpha emission.
a) Write a balanced nuclear reaction for the decay of neptunium-237.
b) What is the activity in millicuries of a 0.500-g sample of the isotope?
I am thankful to receive an expert help to solve the above problem
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