Examlex
Halogen substituents are deactivating but are ortho/para directors.Explain.
Pollution Tax
A levy imposed on the emission of pollutants, aimed at reducing the environmental externalities associated with such emissions.
Beta Emissions
A type of radioactive decay in which an unstable atomic nucleus emits a beta particle to become more stable.
Pollution Tax
A tax imposed on the emission of pollutants, aimed at reducing environmental damage by encouraging cleaner production and consumption practices.
Positive Externalities
Benefits experienced by third parties or society at large from an economic transaction, such as improved public health or education levels, not reflected in market prices.
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