Consider the following statements with reference to the Periodic Table of chemical elements: I. lonisation 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 as the atomic number increases. Which of these statement(s) is/are correct ?
Options
(a)I only
(b)II only
(c)I and III
(d)II and III
The full breakdown is part of the paid archive
This question's answer, explanation and links to every related question across 48 years (1979–2026) are inside the app. The two most recent years are free to read in full — no account needed.
Independent UPSC previous-year-questions study tool — not affiliated with or endorsed by the UPSC. Question text is reproduced from publicly released UPSC examination papers. UPSCviaPYQs · Privacy · Terms