NEET UG · Chemistry · Classification of Elements and Periodicity in Properties
Ionic Formulae from Configurations
NEET asked Ionic Formulae from Configurations once in 2017–2026, in 2018. 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
- 2018
- the only time
- Chance next paper
- 4%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2018.
How NEET framed it
One-line MCQ is the usual form. Skill tested: application.
- Predict formula of ionic compound
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.
- 2018 Q88Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is ,…One-line MCQ · Easy
Papers: NEET 2018.
Same topic
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- s, p, d, f Block Classificationonce · 2025
- Electronegativity Trendsonce · 2024
- Radii of Isoelectronic Speciesonce · 2023
- IUPAC Nomenclature for Z > 100once · 2022
- Acidic, Basic, and Amphoteric Nature of Oxidesonce · 2020
- IUPAC Nomenclature for Elements Z > 100once · 2020
- Deducing Group, Period, and Block from Atomic Numberonce · 2017