Yall someone lmk if i got this right im not finna be failing science again

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.

im doing test rn im going with 2 but ill give answer if itss wrong,   : )