10. A radioisotope undergoes two succesSive decays. The first decay makes product / Product A reacts further to make product B. The relative number of protons and neutrons in each product is shown on the graph below. What two radioactive processes happened in this reaction? radioisotope eutrons product A producí B protons an a emission followed by a ß emission b. aß emission followed by an a emission an a emission followed by a positron emission d. two successive ß emissions а. с.

10. A radioisotope undergoes two succesSive decays. The first decay makes product / Product A reacts further to make product B. The relative number of protons and neutrons in each product is shown on the graph below. What two radioactive processes happened in this reaction? radioisotope eutrons product A producí B protons an a emission followed by a ß emission b. aß emission followed by an a emission an a emission followed by a positron emission d. two successive ß emissions а. с.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter19: Radioactivity And Nuclear Energy

Section: Chapter Questions

Problem 33QAP

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Technetium-99 is prepared from 98Mo. Molybdenum-SS combines with a neutron to give molybdenum-99, an unstable isotope that emits a particle to yield an excited form of technetium-99, represented as 99Tc*. This excited nucleus relaxes to the ground state, represented as 99Tc, by emitting a ray. The ground state of 99Tc then emits a particle. Write the equations for each of these nuclear reactions.
Iodine that enters the body is stored in the thyroid gland from which it is released to control growth and metabolism. The thyroid can be imaged if iodine-131 is injected into the body. In larger doses, I-133 is also used as a means of treating cancer of the thyroid. I-131 has a half-life of 3.70 days and decays by emission. (a) Write an equation for the decay. (b) How long will it take for 95.0% of a dose of I-131 to decay?
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A sample of rock was found to contain 8.23 mg of rubidium-87 and 0.47 mg of strontium-87.. (a) Calculate the age of the rock if the half-life of the decay of rubidium by emission is 4.71010 y. (b) If some S3887r was initially present in the rock, would the rock be younger, older, or the same age as the age calculated in (a)? Explain your answer.