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Question

Write the number of valence electrons present in a nitrogen atom N714?


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Solution

Valence electrons in N714 :

  • Valence electrons are the electrons present in the outermost shell of an atom.
  • N714 isotope of nitrogen consists of 7 electrons, 7 protons, and 7 neutrons.
  • The electronic configuration of Nitrogen having atomic number 7 is 1s22s22p3.
  • The outermost shell i.e. n=2 has 2+3=5 electrons.

Hence, the number of valence electrons present in a nitrogen atom N714 is 5.


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