1. Tardigrade
  2. Question
  3. Chemistry
  4. The number of unpaired electrons in 1 s2, 2 s2 2 p3 is:

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Q. The number of unpaired electrons in $1 s^{2}, 2 s^{2} 2 p^{3}$ is:

AFMCAFMC 2000

Solution:

The given configuration can be represent as
image
It is clear that the given substance has three unpaired electrons.