What group on the periodic table would you expect to lose an outer electron most easily? A) Alkaline earth metals
B) Nobel Gases
C) Halogens
D) Alkai metals

Im pretty sure its B) Nobel gases

Hope this helps

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.

the answer is c. nacl