Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The common features of the species N22– , O2 and NO– are :
Text Solution
Verified by ExpertsThe correct answer is:
B
N22– : 
1s2 
*1s2 
2s2 
*2s2 
2px2 
2py2 
2pz2 
2px1 
*2py1.
B.O. N22– = 
= 2.; B.O. O2 = 
= 2.
NO– isoelectronic with O2 so B.O. = 
= 2.
All have same number of electrons (i.e. 16) so isoelectronic.
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