Out of the following choices, the one that shows a periodic pattern is "the mother takes her medication everyday at 7."
The substance doesn't have a specific name. We just say that that substance is being reduced. Remember this mnemonic - OILRIG where "Oxidation is Loss, Reduction is Gain" of electrons.
It is an example of how the boys environment affected him, making him an outlier to what should typically happen. Hope this helps!
