JEE Main 2021 — D And F Block Elements Question with Solution
From: JEE Main 2021 (Online) 26th August Morning Shift
Question
The number of 4f electrons in the ground statement electronic configuration of Gd2+ is ___________. [Atomic number of Gd = 64]
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Step-by-step explanation
The electronic configuration of
So, the electronic configuration of
i.e. the number of 4f electrons in the ground state electronic configuration of is 7.
So, the electronic configuration of
i.e. the number of 4f electrons in the ground state electronic configuration of is 7.
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This is a previous-year question from JEE Main 2021, 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.