Abody that has relatively few free electrons and offers comparatively great resistance to the movement of free electrons is a/an
a. insulator.
b. capacitor.
c. conductor.
d. coulomb.

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.