Use coeficient to balance chemical equation

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.

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.