What is the most reactive metal and non metal? explain, referencing their number of shells, number of valence electrons, and “pull” towards the nucleus.

the answer is either b or c

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.