Sarthaks Test
+1 vote
in Chemistry by (128k points)

Which of the following are iso-electronic species?
Na+, K+, Mg2+, Ca2+, S2-, Ar.

1 Answer

+1 vote
by (303k points)
selected by
Best answer

Na+ and Mg2+ are iso-electrons species (have 10 electrons)
K+, Ca2+, S2- are iso-electronic species (have 18 electrons).

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.