Multiple choice

Which of the following are isoelectronic species?

  1. CN- 2. NO+ 3. O2+
  2. O2-

  1. Both 1 and 2

  2. Both 1 and 4

  3. Both 2 and 3

  4. Both 2 and 4

  5. Both 3 and 4

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

CN- : (6+7+1) e-= 14 e- NO+ : (7+8-1) e-= 14 e-
Both CN- and NO+ have the same number of electrons (isoelectronic species).