Chapter 11: Problem 16
The half-lives of most radioisotopes used in nuclear medicine range between a few hours and a few weeks. Why?
Chapter 11: Problem 16
The half-lives of most radioisotopes used in nuclear medicine range between a few hours and a few weeks. Why?
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What are fission fragments, and why are they so dangerous?
One-half of the nuclei of a given radioisotope decays during one half-life. Why doesn't the remaining half decay during the next halflife?
A mixture of two common isotopes of oxygen, oxygen- 16 and oxygen-18, is put in a chamber that is then spun around at a very high speed. It is found that one isotope is more concentrated near the axis of rotation of the chamber and the other is more concentrated near the outer part of the chamber. Why is that, and which isotope is where?
A large number of regular six-sided dice are shaken together in a box, then dumped onto a table. Those showing " 1 "or \({ }^{\prime \prime} 2^{\prime \prime}\) are removed, and the process is repeated with the remaining ones. (See Explore It Yourself \(11.1 .\) ) Is the half-life of the dice greater than, equal to, or less than one throw?
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