The factors on which biological effect of a particular source of radiation depends are to be listed. The reason for greater danger associated with 90 Sr in comparison to 85 Kr and more damage to an organism by alpha particles than gamma particles is to be stated. The type of radiation more effective at promoting the ionization of biomolecules is to be stated. Concept introduction: The Sr do not possess radioactive properties but its isotope 90 Sr have high radioactive properties and it undergo beta decay. It causes damage to humans as well as environment. Radon- 222 decays by alpha particle production and also possesses health risks. To determine: The factors on which biological effect of a particular source of radiation depends, reason for greater danger associated with 90 Sr in comparison to 85 Kr and more damage to an organism by alpha particles than gamma particles and the type of radiation more effective at promoting the ionization of biomolecules.

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Chapter 19, Problem 10RQ

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Interpretation: The factors on which biological effect of a particular source of radiation depends are to be listed. The reason for greater danger associated with 90Sr in comparison to 85Kr and more damage to an organism by alpha particles than gamma particles is to be stated. The type of radiation more effective at promoting the ionization of biomolecules is to be stated.

Concept introduction: The Sr do not possess radioactive properties but its isotope 90Sr have high radioactive properties and it undergo beta decay. It causes damage to humans as well as environment. Radon- 222 decays by alpha particle production and also possesses health risks.

To determine: The factors on which biological effect of a particular source of radiation depends, reason for greater danger associated with 90Sr in comparison to 85Kr and more damage to an organism by alpha particles than gamma particles and the type of radiation more effective at promoting the ionization of biomolecules.

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