NEET UG · Chemistry · Classification of Elements and Periodicity in Properties
Radii of Isoelectronic Species
NEET asked Radii of Isoelectronic Species once in 2017–2026, in 2023. It belongs to Periodic Properties, in Classification of Elements and Periodicity in Properties (Chemistry).
Updated 2026-10-08
- Times asked
- 1
- in 2017–2026
- Papers
- 1
- of 10
- First asked
- 2023
- the only time
- Chance next paper
- 4%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2023.
How NEET framed it
One-line MCQ is the usual form. Skill tested: concept.
- Order/ranking of ionic size
Chance asked next paper 4%
Every question
The question
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2023 Q69The element expected to form largest ion to achieve the nearest noble gas configuration is :One-line MCQ · Easy
Papers: NEET 2023.
Same topic
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- Ionization Enthalpy Anomaly: Nitrogen vs Oxygenonce · 2026
- s, p, d, f Block Classificationonce · 2025
- Electronegativity Trendsonce · 2024
- IUPAC Nomenclature for Z > 100once · 2022
- Acidic, Basic, and Amphoteric Nature of Oxidesonce · 2020
- IUPAC Nomenclature for Elements Z > 100once · 2020
- Ionic Formulae from Configurationsonce · 2018
- Deducing Group, Period, and Block from Atomic Numberonce · 2017