JEE Main 2006Annual, Paper 1ChemistryEasyAtomic Structure113× since 2002Which of the following sets of ions represents a collection of isoelectronic species?AOption A. N³⁻, O²⁻, F⁻, S²⁻BOption B. Li⁺, Na⁺, Mg²⁺, Ca²⁺COption C. K⁺, Cl⁻, Ca²⁺, Sc³⁺DOption D. Ba²⁺, Sr²⁺, K⁺, Ca²⁺CheckSkip · show solution
