JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 3 September 2020, Shift 1, Chemistry Q32

Question 32 of 75 in this shift, Chemistry question 7 of 25.

The atomic number of the element unnilennium is :

(1)102
(2)109Official answer
(3)108
(4)119

Official answer

Option 2

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 4× in all

30 Jan 2024, Shift 1 · Q88If IUPAC name of an element is "Unununnium" then the element belongs to n $^{th}$ group of Periodic table. The value of n is ________.EasyNumerical value
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
6 Sep 2020, Shift 2 · Q46The atomic number of Unnilunium is ________.EasyNumerical value

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.