Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

In which of the following pairs, the ions are iso-electronic?

(i) Na^+, Mg^2+
(ii) Al^3+ , O^–
(iii) Na^+, O^2–
(iv) N^3–, Cl^–


(i)Na^+, Mg^2+ 
Same electronic configuration and same no. of electrons

0 0 0
Na^+, Mg^2+ (i) ions are iso-electronic
1 5 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts