Multiple choice

Which of the following options represents isoelectronic species?

  1. C22-, O2-, CO, NO

  2. NO+, C22-, CN-, N2

  3. CN-, N2 , O22-, CO22-

  4. N2, O2-, NO+, CO

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

All have 14 electrons. So, they are isoelectronics. 

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