A) Fe, Co, Ni have equal size
B) Zr and Hf have equal size
C) all y-block ions have equal size
D) all isoelectronic ions have equal size
Correct Answer: D
Solution :
The lanthanide contraction cancels almost exactly the normal size increase on descending a group of transition elements. Thus, Zr and Hf have equal size.You need to login to perform this action.
You will be redirected in
3 sec