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Friday, 9 October

NEET UG 2023 · Chemistry · Question 69

NEET 2023 Chemistry, question 69

Question 69 of the NEET 2023 paper (code G6) is a Chemistry question from Classification of Elements and Periodicity in Properties. Its idea, Radii of Isoelectronic Species, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q69 · Chemistry

The element expected to form largest ion to achieve the nearest noble gas configuration is :

  1. 1Na
  2. 2O
  3. 3F
  4. 4NOfficial answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on Radii of Isoelectronic Species

No other NEET paper from 2017–2026 tested this exact idea.

Radii of Isoelectronic Species: every question and how it was framed

The chapter

Classification of Elements and Periodicity in Properties in ten years of NEET

13 questions from 2017–2026, asked in 9 of 10 papers, about 1.3 a paper. Periodic Properties alone had 13.

Classification of Elements and Periodicity in Properties: questions per paper

0241’171’181’192’200’211’221’232’242’252’26