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Chemistry - Classification of Elements and Periodicity in Properties

Practise 53 NTA Abhyas (JEE Main) questions on Classification of Elements and Periodicity in Properties. Each question shows a quick preview so you can jump straight to the topic you want to revise.

Classification of Elements and Periodicity in Properties has been asked in 0 of the 25 years of NTA Abhyas (JEE Main) papers analysed (2002–2026), with 53 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2026, with 0 questions that year. In the last three years (2024–2026) it had 0 questions across 49 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Uncategorized.

  1. 1Which of the following is metalloid ?
  2. 2The incorrect order of first ionisation energy is:
  3. 3Which among the following elements have lowest value of IE 1 ?
  4. 4Which among the following species have the same number of electrons in its outermost as well as penultimate shell
  5. 5Which of the following is incorrect ?
  6. 6The atomic number of elements A, B, C and D are Z − 1, Z, Z + 1, Z + 2 respectively. If B is a noble gas, choose the correct option (i) (A)
  7. 7A trend which is common to elements of both the group 1 st and group 17 th , on going from top to bottom
  8. 8How many of these elements have more first ionization energy then boron L i , B e , C , N , O , F , N e .
  9. 9Match the atomic numbers of the elements given in column I with the periods given in column II and mark the appropriate choice. Column I (At
  10. 10The correct decreasing order of electropositive character among the following elements is : Fe, Sc, Rb, Br, Te, F, Ca
  11. 11First and second ionization energies of magnesium are 7.646 and 15 .035 eV respectively. The amount of energy in kJ/mol needed to convert al
  12. 12Sum of total number of amphoteric and neutral oxides among the following is: CO , NO , Al 2 O 3 ,PbO 2 ,CaO , SnO 2 , ZnO
  13. 13Electron gain enthalpy and ionisation energy of an atom are –a and +b eV respectively. The electronegativity of that atom on Mulliken scale
  14. 14Germanium (II) compounds are powerful reducing agents whereas lead (IV) compounds are strong oxidising agents even they belongs to same grou
  15. 15How many of these elements have lower electron affinity than fluorine? Cl, S, O, N, P, Br, I, C
  16. 16Which of the following orders is incorrect with respect to the property indicated ?
  17. 17Identify the correct decreasing order of acid strength for the following compounds: (I) HClO, (II) HBrO, (III) HIO
  18. 18The correct code for stability, of oxidation states for given cations is I. P b 2 + P b 4 + , T l + T l 3 + II. B i 3 + S b 3 + , S n 2 + S
  19. 19The atomic numbers of vanadium V , chromium Cr , manganese Mn and iron (Fe) are respectively 23, 24, 25 and 26 . Which one of these may be e
  20. 20In the graph between v and Z for the Mosley' equation, v = a Z - b , the intercept OX is 1 on v axis. What is the frequency v when the atomi
  21. 21Highest electron affinity is shown by:
  22. 22The effective nuclear charge of an element with three valence electrons is 2.60. What is the minimum atomic number of the element?
  23. 23Which of the following has smallest radius?
  24. 24If the dipole moment of AB molecule is given by 1.2 D and A-B the bond length is 1 Å then % ionic character of the bond is [Given: 1debye =
  25. 25Match the column I with column II and mark the appropriate choice. Column I Column II (p) 3d-transition series (i) Z = 58 to Z = 71 (q) Lant
  26. 26Which of the following atoms has the highest first ionization energy?
  27. 27The first Δ i H 1 and second Δ i H 2 ionization enthalpies (in kJ mo l - 1 ) and the electron gain enthalpy Δ eg H (in kJ mo l - 1 ) of the
  28. 28Increasing order of density is
  29. 29Which one among the following ions, is smallest in size
  30. 30Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar ?
  31. 31Select the incorrect statement
  32. 32Incorrect order of radius is
  33. 33The set representing the correct order of ionic radii is
  34. 34Among the following, total numbers of radioactive elements are In, Ac, At, Ba, Tc, Pm, Ta, Xe
  35. 35Which of the following statements is (are) incorrect? (i) Percentage ionic character in C s C l bond is ~ 55 % . (Electronegativity values o
  36. 36Which of the following is the strongest acid?
  37. 37Arrange the given species F , F - , O and O - 2 in the order of their radii
  38. 38Which of the following transformation least energy is required?
  39. 39Consider the following four elements, which are represented according to long form of periodic table Here W , Y and Z are left, up and right
  40. 40In graph of atomic volume versus atomic weight, the elements corresponding to peaks in the curve belong to
  41. 41Which of the following is the strongest reducing agent in aqueous solution?
  42. 42Total number of inner transition elements are: - W , R u , U , T c , L a , Y b , P o , N o
  43. 43Incorrect order of properties given in parenthesis are
  44. 44The atomic masses of L i and K are 7 and 39, respectively. According to law of triads the atomic mass of N a will be
  45. 45Three elements X, Y, and Z have atomic numbers 19, 37, and 55 respectively. Then the correct statements(s) is/are
  46. 46Second ionization potential value is lowest for -
  47. 47Among the following metal oxides, which is most basic?
  48. 48Correct order of Pauling's electronegativity
  49. 49The decreasing order of the bond moment of E-H bond in NH 3 , PH 3 , AsH 3 and SbH 3 is given by
  50. 50In a period, atom with smallest radius generally is:

Frequently Asked Questions

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

This chapter includes 53 NTA Abhyas (JEE Main) questions.

2.Are these questions only from NTA Abhyas (JEE Main), or from other exams too?

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

3.What is the difficulty level of Classification of Elements and Periodicity in Properties questions in NTA Abhyas (JEE Main)?

Of the 53 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2026 had the most, with 0 questions.

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

All of this chapter's questions come from a single topic: Uncategorized.