Q.
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]