Multiple choice

Which of the following are isoelectronic species?

  1. CN-
  2. NO+
  3. O2+
  4. O2-
  5. F2

  1. 1 and 2

  2. 1 and 4

  3. 2, and 3

  4. 3 and 4

  5. 4 and 5
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- CN- and NO+ have the same number of electrons (isoelectronic species).

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