Identify the wrong statements in the following

Options

A. amongst isoelectric species, smaller the positive charge on cation, smaller is the ionic radius
B. amongst iso electronic species, greater is the negative charge on the anion, larger is the ionic radius .
C. atomic radius of the elements increases as one moves down the first group of the periodic table
D. atomic radius of the elements decreases as one moves across from left to right in the second period of the periodic table.

Answer

A