JEE Main 2020 · ChemistryNumerical answerNumerical valueEasyRecall

JEE Main 6 September 2020, Shift 2, Chemistry Q46

Question 46 of 75 in this shift, Chemistry question 21 of 25.

The atomic number of Unnilunium is ________.

Official answer

101.00

NTA final key (Sep 2020).

Chapter: Classification of Elements and Periodicity in Properties
Topic: Periodic Trends
Idea tested: IUPAC Nomenclature for Z > 100

Same idea in other shifts

Asked 2× in all

25 Jul 2022, Shift 1 · Q66The IUPAC nomenclature of an element with electronic configuration $[\mathrm{Rn}]\,5f^{14}6d^{1}7s^{2}$ is :MediumSingle correct

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 42 of the 174 JEE Main shifts held from 2017 to 2026.