631UPSC2001General ScienceEnglish
Consider the following statements with reference to the periodic table of chemical elements. 1. Ionization potential gradually decreases along a period. 2. In a group of elements, electron affinity decreases as the atomic weight increases. 3. In a given period, electronegativity decreases as the atomic number increases. Which of these statement(s) is/are correct?
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Correct option: B — Only 2
