Structure of Atom - Online Test

Total Number of Questions in this Test: 10
Total Number of Questions Answered: 0
Total Number of Questions Skipped: 0

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Question : 1

If the nitrogen tom had electronic configuration 1s2, it would have energy lower than that of the normal ground state configuration 1s2, 2s22p3, because the electrons would would be closer to the nucleus. Yet, 1s7 is not observed because it violates

Options :
  •  Heisenberg uncertainty principle
  •  Hund's rule
  •  Pauli exclusion exclusion principle
  •  Bohr postulate of stationary orbits