JEE Main 2023 Chemistry question
Which one of the following sets of ions represents a collection of isoelectronic species ? (Given : Atomic Number : F : 9, Cl : 17, Na = 11, Mg = 12, Al = 13, K = 19, Ca = 20, Sc = 21)
Answer: (C)
Which one of the following sets of ions represents a collection of isoelectronic species ? (Given : Atomic Number : F : 9, Cl : 17, Na = 11, Mg = 12, Al = 13, K = 19, Ca = 20, Sc = 21)