On moving down a group of regular elements, both atomic and ionic radii increases with increasing [BMEE 1995]

On moving down a group of regular elements, both atomic and ionic radi

1.	On moving down a group of regular elements, both atomic and ionic radii increases with increasing [BMEE 1995]
A.	Atomic number
B.	Atomic weight
C.	Atomic mass
D.	None of these
Answer» B. Atomic weight