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the introduction of halogen atoms into a compound by addition or substitution.
organisms that use dead organic material as a food source and thus recycles them.
a group of elements that are non-reactive, monatomic gases (Group 0, 8 or 18).
the plastics converter industry uses polymers to manufacture useful everyday objects.
if one reactant is available in excess, the other reactant will be the limiting reagent, because...
the difference between the energy absorbed to break bonds and the energy transferred to the...