It is True because in the periodic table of elements, there are seven horizontal rows of elements called periods. The vertical columns of elements are called groups, or families.
i think it is Synthesis Reaction because in a synthesis reaction one or more simple substances combine to form a more complex substance.
If there is two or more reactions yilding one product is another way to identify a synthesis reaction.
For the chemical equation for this synthesis reaction really looks like:
reactant +reactant = product
if im wrong correct me but have a blessed day/night
=)
The Answer is D: Reactor products charge huge batteries.
I will Answer it and get back to u in the the comment section