P-Block Elements Ques 426
Question: Gradual addition of electronic shells in the noble gases causes a decrease in their
[MP PET 1997]
Options:
A) Ionization energy
B) Atomic radius
C) Boiling point
D) Density
Show Answer
Answer:
Correct Answer: A
Solution:
As the number of shells increases, size increases and the effective nuclear charge on the outermost electron decreases. Thus, I.E. decreases.
