Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
Among the following species which option contains all isoelectronic species?
ChemistryStructure of AtomJEE MainJEE Main 2017 (02 Apr)
Options:
  • A O-, F-,  Na, Mg+
  • B O2-, F-, Na, Mg2+
  • C O-, F-, Na+, Mg2+
  • D O2-, F-, Na+, Mg2+
Solution:
2475 Upvotes Verified Answer
The correct answer is: O2-, F-, Na+, Mg2+
O-2 = 8+2 = 10

F- = 9+1 = 10

Na+ = 11-1 = 10

Mg+2 = 12-2 = 10

All have 10 electrons

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.