Topics covered #

19 topics, in teaching order.

  1. Electronic Configuration of Elements
  2. Predicting Group & Block No. of Elements
  3. Hints to solve Typical Problems
  4. Effective Nuclear Charge (Z Effective)
  5. Application of Z effective
  6. Transition Elements
  7. Ionisation Enthalpy: Introduction
  8. Calculation of Ionisation Enthalpy
  9. Factors affecting Ionisation Enthalpy
  10. Trends in Ionisation Enthalpy
  11. Application of Ionisation Enthalpy
  12. Electron Affinity : Introduction
  13. Factors : Electron Affinity& Trends
  14. Application of Electron Affinity
  15. Intro & Factors : Electronegativity
  16. Different Scales : Electronegativity
  17. Applications of Electronegativity: I
  18. Applications of Electronegativity: II
  19. Atomic Radius

Weightage #

Expect about 1 question in NEET — roughly 4 of 720 marks.

1 of 180 questions · 4 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

Next in Chemistry

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Frequently asked #

How many questions come from Classification of Elements and Periodicity in NEET?
About 1 question — roughly 4 of the 720 marks available. It is a Class 11 Chemistry chapter.
What topics does this chapter cover?
19 topics — from Electronic Configuration of Elements through Atomic Radius. The full list is above.
Where can I practise Classification of Elements and Periodicity?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.