Classification Of Elements And Periodicity In Properties Ques 22
Question: Which has the smallest size [MP PET 1999]
Options:
A) $ N{{a}^{+}} $
B) $ M{{g}^{2+}} $
C) $ A{{l}^{3+}} $
D) $ {{P}^{5+}} $
Show Answer
Answer:
Correct Answer: D
Solution:
As the nuclear charge per electron is maximum in $ {{P}^{5+}} $ . Therefore its size is smallest.
