Examlex
Describe bird evolution as known from the fossil record.
Free Radical
An atom, molecule, or ion that has an unpaired valence electron, making it highly reactive and prone to participating in chemical reactions.
Chlorination
The process of adding chlorine to water or organic molecules, either for disinfection purposes or to introduce chlorine atoms into molecules for chemical synthesis.
Propagation Step
A part of a chain reaction where intermediates react with the original reactants to produce more intermediates and products, continually propagating the reaction.
Propagation Steps
Sequences of reactions where reactive intermediates react to form products and new intermediates in a chain reaction mechanism.
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