Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

Which one of the following sets of ions represents a collection of isoelectronic species?

$\begin{array}{1 1}(a)\;Li^+,Na^+,Mg^{2+},Ca^{2+}\\(b)\;K^+,Cl^-,Ca^{2+},Sc^{3+}\\(c)\;Ba^{2+},Sr^{2+},K^+,Ca^{2+}\\(d)\;N^{3-},O^{2-},F^-,S^{2-}\end{array}$

Can you answer this question?

1 Answer

0 votes
Each of $K^+,Cl^-,Ca^{2+},Sc^{3+}$ has 18 electrons.
Hence (b) is the correct answer.
answered Jan 13, 2014 by sreemathi.v
edited Apr 2, 2014 by mosymeow_1

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App