The atomic radius of elements of which of the following series would be nearly the same [MP PET 1997]

The atomic radius of elements of which of the following series would b

1.	The atomic radius of elements of which of the following series would be nearly the same [MP PET 1997]
A.	\[Na\]\[K\]\[Rb\]\[Cs\]
B.	\[Li\]\[Be\]\[B\]\[C\]
C.	\[Fe\]\[Co\]\[Ni\]\[Cu\]
D.	\[F\]\[Cl\]\[Br\]\[I\]
Answer» D. \[F\]\[Cl\]\[Br\]\[I\]