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.



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