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Classification of Elements and Periodicity PYQs (previous year questions) for JEE Advanced: Classification of Elements and Periodicity (Chemistry) had 3 questions across the 22 official JEE Advanced papers we tagged (2016–2026), and appeared in 3 of them. Asked in 3 of 11 years. The concepts asked in the most papers: Periodic Trends, Ionization Enthalpy, Atomic Radius.
Year-wise question count
Asked in 3 of 11 years, with 2 papers each year.
| Year | Questions |
|---|---|
| JEE Advanced 2026 | 1 |
| JEE Advanced 2025 | Not asked |
| JEE Advanced 2024 | Not asked |
| JEE Advanced 2023 | Not asked |
| JEE Advanced 2022 | Not asked |
| JEE Advanced 2021 | Not asked |
| JEE Advanced 2020 | 1 |
| JEE Advanced 2019 | Not asked |
| JEE Advanced 2018 | Not asked |
| JEE Advanced 2017 | Not asked |
| JEE Advanced 2016 | 1 |
Most-asked concepts
Sorted by the number of papers a concept appeared in.
| Concept | Questions | Papers | Years |
|---|---|---|---|
| Atomic Radius | 1 | 1 | 2016 |
| Ionization Enthalpy | 1 | 1 | 2020 |
| Periodic Trends | 1 | 1 | 2026 |
How to practise Classification of Elements and Periodicity PYQs
- Start with the concepts at the top of the table. They have come back the most.
- Solve one year’s Classification of Elements and Periodicity questions from the official PDF against the clock, then check the answer listed below.
- Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
- Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.
Questions by year
Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.
JEE Advanced2026
- Q.7 (Paper 2) · MSQ · Periodic Trends: Statements on ionisation enthalpy, ionic radii, density and bond strength (official answer: A, B) PDF
JEE Advanced2020
- Q.1 (Paper 2) · Integer · Ionization Enthalpy: Identify atomic number from successive ionization enthalpies PDF
JEE Advanced2016
- Q.21 (Paper 1) · MCQ · Atomic Radius: Increasing order of atomic radii in group 13 (official answer: B) PDF
Classification of Elements and Periodicity in other exams
The same chapter in other official papers we tagged: JEE Main (15 questions), NEET (4 questions).
Other Chemistry chapters
- Some Basic Concepts in Chemistry PYQs
- Atomic Structure PYQs
- Chemical Bonding and Molecular Structure PYQs
- Chemical Thermodynamics PYQs
- Solutions PYQs
- Equilibrium PYQs
- Redox Reactions and Electrochemistry PYQs
- Chemical Kinetics PYQs
- p-Block Elements PYQs
- d- and f-Block Elements PYQs
- Coordination Compounds PYQs
- Purification and Characterisation of Organic Compounds PYQs
- Some Basic Principles of Organic Chemistry PYQs
- Hydrocarbons PYQs
- Organic Compounds Containing Halogens PYQs
- Organic Compounds Containing Oxygen PYQs
- Organic Compounds Containing Nitrogen PYQs
- Biomolecules PYQs
- Principles Related to Practical Chemistry PYQs
FAQ
How many Classification of Elements and Periodicity questions come in JEE Advanced?
In the official papers we tagged: 1 in 2026, 1 in 2020 and 1 in 2016 (2 papers each year). Not asked in the other 8 years. That is 3 questions in all, about 1% of Chemistry.
Which Classification of Elements and Periodicity topics repeat in JEE Advanced?
Asked in the most papers: Periodic Trends, Ionization Enthalpy, Atomic Radius. The concept table lists every one with its count.
Are these official JEE Advanced questions?
Yes. Every question is from an official JEE Advanced paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.