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Chemistry - Classification of Elements and Periodicity in Properties

Practise 22 BITSAT previous year questions on Classification of Elements and Periodicity in Properties, compiled from papers spanning 2009 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty BITSAT tests.

Classification of Elements and Periodicity in Properties has been asked in 12 of the 16 years of BITSAT papers analysed (2009–2024), with 22 questions in all. 64% of them were easy, 36% moderate and 0% tough. Most of its questions came from 2015, with 3 questions that year. In the last three years (2022–2024) it had 4 questions across 3 papers, about 1.3 per paper.

The chapter's 2 topics are not weighted equally: Periodic properties (17 questions, 77%) and Modern periodic table (5 questions, 23%) have been asked the most. Periodic properties has also led over the last five years, with 4 questions.

  1. 1Electron affinity is positive, when2024 (Memory Based Paper 3)Periodic properties
  2. 2The ionic radii in of and are respectively.2024 (Memory Based Paper 3)Periodic properties
  3. 3Element with electronic configuration belongs to the following group of the periodic table2023 (Memory Based Paper 1)Modern periodic table
  4. 4How many elements are there in period of periodic table?2023 (Memory Based Paper 2)Modern periodic table
  5. 5The correct order of acidic strength :2020Periodic properties
  6. 6Arrange the following ions in the order of decreasing bond length, where is the central atom2020Periodic properties
  7. 7Two elements A and B have electronegativities 1 . 2 and 3 . 0 respectively. The nature of bond between A and B would be2017Periodic properties
  8. 8Consider the following radioactive decays I. U 92 - 90 Th and II. 90 Th - Ra 88 In which case group of parent and daughter elements remains 2017Periodic properties
  9. 9The decreasing order of the ionization potential of the following elements is2016Periodic properties
  10. 10The element, with atomic number will be2015Modern periodic table
  11. 11Cobalt (60) isotope is used in the treatment of :2015Modern periodic table
  12. 12Which of the following is a strong base?2015Periodic properties
  13. 13The valency shell of element A contains 3 electrons while the valency shell of element contains 6 electrons. If A combines with , the probab2014Periodic properties
  14. 14Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic spec2014Periodic properties
  15. 15The screening effect of -electrons is2013Periodic properties
  16. 16When the first ionisation energies are plotted against atomic number, the peaks are occupied by2013Periodic properties
  17. 17The ions and are isoelectronic. Their ionic radii show:2013Periodic properties
  18. 18Which of the following does not have valence electron in -subshell?2012Periodic properties
  19. 19The correct order of radii is2011Periodic properties
  20. 20Which of the following pairs has both members from the same period of periodic table:2010Modern periodic table
  21. 21In the periodic table, with the increase in atomic number, the metallic character of an element2010Periodic properties
  22. 22Which one of the following ions has the highest value of ionic radius?2009Periodic properties

Frequently Asked Questions

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

This chapter includes 22 questions compiled from BITSAT papers spanning 2009 to 2024.

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

These are BITSAT 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 BITSAT Chemistry?

Classification of Elements and Periodicity in Properties has appeared in 12 of the 16 years of BITSAT papers covered here, with 22 questions across 13 papers - about 2 per paper it appears in.

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

Of the 22 questions analysed for this chapter, 64% are easy, 36% moderate and 0% tough. 2015 had the most, with 3 questions.

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 - 17 questions (77%)
  • Modern periodic table - 5 questions (23%)
6.Is Classification of Elements and Periodicity in Properties's weightage in BITSAT going up or down?

Across all 13 papers analysed, Classification of Elements and Periodicity in Properties has averaged about 1.7 questions per paper. In the last three years (2022–2024), that average has fallen, at about 1.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.