If a sample initially contains 1.35 mg of Plutonium-236,what mass of Pu-236 is present after 5.00 years? (half-life is 2.86 years)
Identify the following diagnostic procedure that gives the lowest dose of radiation.
A)dental X-ray - panoramic
B)upper gastrointestinal tract X-ray
E)X-ray after barium enema
Identify the symptom that is not from radiation exposure.
B)increased cancer risk
E)weaker immune systems
The graph below shows the mass of a decaying nuclide versus time.
What is the half-life of the decay?