JEE Main 2023 — d and f Block Elements Question with Solution
JEE Main 2023 (31 Jan Shift 1)
Question
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
The atomic number of Neodymium (Nd) is 60. Its electronic configuration is .
Now, by removing two electrons from the outermost shell 6s, ion is formed. Hence, electronic configuration of is .
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This is a previous-year question from JEE Main 2023, covering the d and f Block Elements 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.