Which one of the following sets of ions represents a collection of isoelectronic species? (Given: Atomic Numbe…

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 = $$21$$)

Accepted Answer

D. ($$	ext{K}^{+}$$, $$	ext{Cl}^{-}$$, $$	ext{Ca}^{2+}$$, $$	ext{Sc}^{3+}$$)

Answer

A. ($$	ext{Li}^{+}$$, $$	ext{Na}^{+}$$, $$	ext{Mg}^{2+}$$, $$	ext{Ca}^{2+}$$)

Answer

B. ($$	ext{Ba}^{2+}$$, $$	ext{Sr}^{2+}$$, $$	ext{K}^{+}$$, $$	ext{Ca}^{2+}$$)

Answer

C. ($$	ext{N}^{3-}$$, $$	ext{O}^{2-}$$, $$	ext{F}^{-}$$, $$	ext{S}^{2-}$$)

Answer & step-by-step solution

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