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Chemistry - Classification of Elements and Periodicity in Properties

Practise 6 JEE Advanced previous year questions on Classification of Elements and Periodicity in Properties, compiled from papers spanning 2008 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty JEE Advanced tests.

Classification of Elements and Periodicity in Properties has been asked in 6 of the 27 years of JEE Advanced papers analysed (2000–2026), with 6 questions in all. 50% of them were easy, 50% moderate and 0% tough. Most of its questions came from 2026, with 1 question that year. In the last three years (2024–2026) it had 1 question across 6 papers, about 0.2 per paper.

The chapter's 2 topics are not weighted equally: Periodic properties (5 questions, 83%) and Modern periodic table (1 question, 17%) have been asked the most. Periodic properties has also led over the last five years, with 1 question.

  1. 1The correct statement(s) regarding the periodic properties of elements is(are)2026 (Paper 2)Periodic properties
  2. 2The 1 st , 2 nd and the 3 rd ionization enthalpies, I 1 , I 2 and I 3 , of four atoms with atomic numbers n , n + 1 , n + 2 , and n + 3 , wh2020 (Paper 2)Periodic properties
  3. 3The colour of the X 2 molecules of group 17 elements changes gradually from yellow to violet down the group. This is due to -2017 (Paper 1)Periodic properties
  4. 4The increasing order of atomic radii of the following group 13 elements is2016 (Paper 1)Periodic properties
  5. 5The periodic table consists of 18 groups. An isotope of copper, on bombardment with protons, undergoes a nuclear reaction yielding element a2012 (Paper 1)Modern periodic table
  6. 6Preview not available - open to view this question.2008 (Paper 1)Periodic properties

Frequently Asked Questions

1.How many questions are available for Classification of Elements and Periodicity in Properties?

This chapter includes 6 questions compiled from JEE Advanced papers spanning 2008 to 2026.

2.Are these questions only from JEE Advanced, or from other exams too?

These are JEE Advanced questions specifically for the Classification of Elements and Periodicity in Properties chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Classification of Elements and Periodicity in Properties an important chapter for JEE Advanced Chemistry?

Classification of Elements and Periodicity in Properties has appeared in 6 of the 21 years of JEE Advanced papers covered here, with 6 questions across 6 papers - about one per paper it appears in.

4.What is the difficulty level of Classification of Elements and Periodicity in Properties questions in JEE Advanced?

Of the 6 questions analysed for this chapter, 50% are easy, 50% moderate and 0% tough. 2026 had the most, with 1 question.

5.Which topics in Classification of Elements and Periodicity in Properties should I focus on?

These topics have carried the most weightage in Classification of Elements and Periodicity in Properties:

  • Periodic properties - 5 questions (83%)
  • Modern periodic table - 1 question (17%)
6.Is Classification of Elements and Periodicity in Properties's weightage in JEE Advanced going up or down?

Across all 6 papers analysed, Classification of Elements and Periodicity in Properties has averaged about 1.0 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.2 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.