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Atomic radius

3 PYQ across 2 exams · 2023–2024 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

GEO 2023 → CDS 2024
20232 PYQs
GEOQ16
Which one of the following is the correct order of increase of the atomic radius of the elements?…
GEOQ44
The radius of the first orbit (n = 1) of a hydrogen atom is 0·529 Å. Then the radius of the second orbit (n = 2) of He⁺ ion will be…
20241 PYQ
CDSQ77
The correct order of atomic radius of Li, Na, Be and O is…
Related concepts — explore their timelines too
Periodic trendsBohr model
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