AP EAMCET202022 Sep 2020Evening ShiftChemistryStructure of AtomActual
Which of the following are isoelectronic species?
Options
- AO ²⁻, F , Na ⁺, Mg ⁺
- BO , F ⁻, Na , Mg
- CO ²⁻, F ⁻, Na ⁺, Mg ²⁺
- DO ²⁻, Cl ⁻, Na , Mg ²⁺
Correct answer
C. O ²⁻, F ⁻, Na ⁺, Mg ²⁺
Step-by-step solution
O ²⁻, F ⁻, Na ⁺ and Mg ²⁺ are isoelectronic species. They contain 10 electrons each.