JEE Main 2020 — D And F Block Elements Question with Solution
From: JEE Main 2020 (Online) 4th September Morning Slot
Question
The elements with atomic numbers 101 and 104
belong to, respectively :
Choose an option
Show full solutionCorrect option: B
Correct answer
BActinoids and Group 4
Step-by-step explanation
Actinoids contains 14 elements with atomic
number 90 to 103. Hence element with atomic
number 101 is Actinoids.
Element with atomic number 104 is a d-block element of group 4.
Element with atomic number 104 is a d-block element of group 4.
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This is a previous-year question from JEE Main 2020, 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.