JEE Main 2022ChemistryStructure Of AtomElectronic Configuration And NodeseasyNumerical

JEE Main 2022Structure Of Atom Question with Solution

From: JEE Main 2022 (Online) 26th July Evening Shift

Question

Consider an imaginary ion . The nucleus contains ''% more neutrons than the number of electrons in the ion. The value of 'a' is _______________. [nearest integer]

Enter your answer

Show full solutionCorrect answer: 4
Correct answer
4

Step-by-step explanation

Number of electrons in is 25 .

Number of neutrons .

increase in the number of neutrons over electrons



Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Structure Of Atom chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2022, covering the Structure Of Atom 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.