JEE Main 2021 — Thermodynamics (C) Question with Solution
JEE Main 2021 (27 Aug Shift 1)
Question
The number of electrons in the ground state electronic configuration of is ______ .(Integer answer)
Enter your answer
Show full solutionCorrect answer: 18
Correct answer
18
Step-by-step explanation
Total no. of electron in subshell in and in subshell
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Thermodynamics (C) chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2021, covering the Thermodynamics (C) chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.