Describe the preparation of 2.00 l of 0.100 m glycine buffer, ph 9.0, from glycine and 1.00 m naoh.

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.