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Friday, 9 October

NEET UG 2020 · Chemistry · Question 97

NEET 2020 Chemistry, question 97

Question 97 of the NEET 2020 paper (code E1) is a Chemistry question from The Solid State. Its idea, Radius-Edge Relations in Cubic Cells, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q97 · Chemistry

An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radius is :

  1. 134×288\frac{\sqrt{3}}{4}\times288 pmOfficial answer
  2. 224×288\frac{\sqrt{2}}{4}\times288 pm
  3. 343×288\frac{4}{\sqrt{3}}\times288 pm
  4. 442×288\frac{4}{\sqrt{2}}\times288 pm

Official answer: option 1 · NTA final answer key

Same idea

The only question on Radius-Edge Relations in Cubic Cells

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

Radius-Edge Relations in Cubic Cells: every question and how it was framed

The chapter

The Solid State in ten years of NEET

10 questions from 2017–2026, asked in 7 of 10 papers, about 0.9 a paper. The Solid State alone had 10.

Chapter analysis

The Solid State: questions per paper

0241’171’181’191’202’212’222’230’240’250’26