Which of the following pairs is isoelectronic? A)Li⁺ and K⁺ B)Na⁺ and Ne C)I^- and Cl^- D)S²^- and Ne E)Al³⁺ and B³⁺

Question

Quizplus · Accepted Answer

Isoelectronic species are those that have the same number of electrons. In this case, we need to find pairs that have the same number of electrons as neon, which has 10 electrons. In option B, Na⁺ has 10 electrons (11 from Na + 1 from S) and I^- and Cl^- have 10 electrons (8 from the halogen + 2 from the ion). Therefore, the correct answer is B.

Which of the Following Pairs Is Isoelectronic