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Saturday, 31 October

JEE Main · Chemistry · The d- and f-Block Elements

Electronic Configuration

JEE Main asked Electronic Configuration 4 times in 4 of the 108 shifts Lumi analysed, in 2021, 2022, 2023 and 2024. It belongs to d-Block Elements, in The d- and f-Block Elements (Chemistry). The longest wait between two years asking it was 1 year.

Updated 2026-10-24

Times asked
4
in 4 shifts
Years
4 of 8
First asked
2021
last in 2024
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2021, 2022, 2023 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.050.10’170’200.03’210.03’220.07’230.05’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 1 in 24 shifts · 2022: 1 in 24 shifts · 2023: 1 in 12 shifts · 2024: 1 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20260 of 9
  • 20250 of 8
  • 20241 of 18
  • 20231 of 12
  • 20221 of 24
  • 20211 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Single correct is the usual form. Skill tested: recall.

  • Electronic configuration of actinoid
  • Electronic configuration of exceptional element

Difficulty

Easy 1Medium 3Hard 0

Every question was multiple choice.

Every question

All 4 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 9 Apr 2024, Shift 2 · Q66The electronic configuration of Einsteinium is : (Given atomic number of Einsteinium = 99)MediumSingle correct
  2. 8 Apr 2023, Shift 1 · Q80In chromyl chloride, the number of d-electrons present on chromium is same as in (Given at no. of Ti : 22, V : 23, Cr : 24, Mn : 25, Fe :…EasySingle correct
  3. 29 Jun 2022, Shift 1 · Q66The electronic configuration of Pt (atomic number 78) is :MediumSingle correct
  4. 25 Feb 2021, Shift 1 · Q39In which of the following pairs, the outer most electronic configuration will be the same ?MediumSingle correct

Shifts: 25 Feb 2021, Shift 1, 29 Jun 2022, Shift 1, 8 Apr 2023, Shift 1, 9 Apr 2024, Shift 2.

Same topic

Other ideas in d-Block Elements

d-Block Elements has 31 ideas JEE Main has asked; 21 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas