JEE Main 2021 · ChemistryNumerical answerNumerical valueMediumRecall

JEE Main 27 August 2021, Shift 1, Chemistry Q57

Question 57 of 90 in this shift, Chemistry question 27 of 30, Section B.

The number of

f

electrons in the ground state electronic configuration of Np (Z = 93) is __________. (Integer answer)

Official answer

NTA final key.

Chapter: Structure of Atom
Topic: Quantum Numbers
Idea tested: Anomalous Configurations of Heavy Metals

Same topic in other shifts

All Quantum Numbers questions

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.