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a chemical reaction in which new substances are formed.
the process in radioactive decay where daughter nuclei continue to decay until non-radioactive...
a group of organic compounds that can be represented by a general formula e.g. alkanes, alcohols...
electrons that have been emitted from the nucleus of an atom of a radioactive element.
a substance that improves the efficiency of a catalyst is called a promoter.
a group of organic molecules formed by condensation of two alcohol molecules.