JEE Main 2017 — Structure of Atom Question with Solution
JEE Main 2017 (02 Apr)
Question
Among the following species which option contains all isoelectronic species?
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
O-2 = 8+2 = 10
F- = 9+1 = 10
Na+ = 11-1 = 10
Mg+2 = 12-2 = 10
All have 10 electrons
F- = 9+1 = 10
Na+ = 11-1 = 10
Mg+2 = 12-2 = 10
All have 10 electrons
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This is a previous-year question from JEE Main 2017, 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.