Radioactive Pollution and Its Chemical Aspects
Chemistry ⇒ Environmental Chemistry
Radioactive Pollution and Its Chemical Aspects starts at 12 and continues till grade 12.
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A sample contains 80 mg of a radioactive isotope with a half-life of 5 years. How much will remain after 15 years?
Describe the chemical aspect of how radioactive iodine can be removed from contaminated water.
Describe the chemical behavior of cesium-137 in the environment and its impact on ecosystems.
Describe the chemical process of ion exchange as applied to the removal of radioactive ions from wastewater.
Describe the difference between alpha, beta, and gamma radiation in terms of their composition and penetrating power.
Describe the environmental impact of improper disposal of radioactive medical waste.
Describe the role of chelating agents in the treatment of radioactive contamination in humans.
Describe two chemical methods used to reduce radioactive pollution in water.
Explain how radioactive pollution can enter the food chain and its potential effects on human health.
Explain the difference between radioactive contamination and radiation exposure.
Explain the environmental consequences of a nuclear reactor meltdown.
Explain the term 'bioaccumulation' in the context of radioactive pollution.
Explain why iodine-131 is particularly dangerous to humans after a nuclear accident.
Explain why radioactive pollution is considered a long-term environmental problem.
Explain why strontium-90 is hazardous to human health.
The half-life of a radioactive isotope is 10 years. How much of a 100 g sample will remain after 30 years?
A contaminated site contains 50 g of a radioactive isotope with a decay constant (λ) of 0.0231 year-1. Calculate the time required for the isotope to decay to 10 g. (Use the formula N = N0e-λt.)
A radioactive spill has occurred, releasing 200 g of a radionuclide with a half-life of 8 years. Calculate the mass of the radionuclide that will remain after 24 years.
Describe how the oxidation state of uranium affects its mobility in groundwater and the potential for radioactive pollution.
Discuss the role of redox reactions in the environmental mobility of technetium-99 and its implications for radioactive waste management.
