Isoelectronic species
Tested in 2 real MPSC questions across 1 year (2019–2019). See it in context on the interactive Concept Graph →
Years it was asked
What you need to know first
Real questions that test this
'अ' गटातील घटकांना 'ब' गटात एकापेक्षा जास्त बरोबर पर्याय उपलब्ध असू शकतात. 'अ' गट 'ब' गट I. 10 इलेक्ट्रॉन्स अ. ²⁰₁₀Ne II. 12 प्रोटॉन्स ब. ²³₁₁Na⁺ III. 12 न्युट्रॉन्स क. ¹⁹₉F⁻ IV. 10 न्युट्रॉन्स ड. ²⁴₁₂Mg²⁺ पर्याय उत्तरे : You may have more than one correct match in Group 'B' for each item in Group 'A'. Group A Group B I. 10 electrons a. ²⁰₁₀Ne II. 12 protons b. ²³₁₁Na⁺ III. 12 neutrons c. ¹⁹₉F⁻ IV. 10 neutrons d. ²⁴₁₂Mg²⁺ Answer Options :
1)I - a; II - d; III - b, d; IV - a, c
2)I - a, c; II - d; III - b, d; IV - a
3)I - a, b, c, d; II - d; III - b, d; IV - a, c✓ Correct
4)I - a, b, d; II - d; III - b; IV - a, b, c
Detailed electron, proton, and neutron calculations for Ne, Na+, F-, and Mg2+ match multiple criteria across the groups due to isoelectronic and isotopic relationships.