JEE Main 2012 — Classification of Elements and Periodicity in Properties Question with Solution
JEE Main 2012 (19 May Online)
Question
Which pair of elements with the given atomic numbers is expected to have similar properties?
Choose an option
Show full solutionCorrect option: A
Correct answer
A40,72
Step-by-step explanation
have similar properties as they belong to same group and have same valence shell electronic configuration.
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This is a previous-year question from JEE Main 2012, covering the Classification of Elements and Periodicity in Properties 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.