Consider the following statements with reference to the periodic table of chemical elements:

I. Ionisation potential gradually decreases along a period

II. In a group of elements, electron affinity decreases as the atomic weight increases

III. In a given period, electronegativity decreases the atomic number increases

Which of these statements (S) is / are correct

[A] I only

[B] II only

[C] I and III

[D] II and III

Answer & Explanation
Option: [B]

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