For the radioisotope Carbon 11 (half life 20m) answer the following questions us
ID: 473494 • Letter: F
Question
For the radioisotope Carbon 11 (half life 20m) answer the following questions using internet resources and the textbook: Chemistry: the molecular nature of matter and change by silberberg. How is the radioisotope formed in nature (type of decay beta, alpha, etc)? Risks associated with the radioisotope Number of subatomic nucleons present Stability of the radioisotope How this radioisotope is used. Is the radioisotope used as a medical tracer? If yes, for what body part or process? Briefly explain Dec16...
Explanation / Answer
carbon-11 radioisotope is formed from the N-14 isotope in the cyclotron while giving off an alpha particle.
The reaction for the formation of this isotopr would be,
14N + p ----> 11C + 4He
Carbon-11 decays by positron (beta) emission to boron-11.
11C --> 11B + beta+
Carbon-11 finds application in cancer imaging due to its short half-life. It is passed to the organ in the body which is infected and decays by a positron emission at the infected site and allows for facile imaging.
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