How many unpaired electron(s) are there in the nitrogen sub-levels? by Sunday | Oct 11 | Chemistry JAMB | 0 comments A. 3 B. 2 C. 1 D. none Correct Answer: Option A – 3 Users Also Read These:If the electron configuration of an element is p1s²…If the charge on an object is measured as 4.0 x…The electronic configuration of an element is 1S²…An electron of charge 1.6 x 10^-19C is accelerated…An electron of mass 9.1x 10^31 kg is travelling at a…