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How many valence electrons does #N# have?

1 Answer

Oct 29, 2016

Nitrogen have 5 valence electrons.

Explanation:

Nitrogen atomic number (see Periodic Table, for example: https://iupac.org/what-we-do/periodic-table-of-elements/) is #Z = 7#. Then, the electronic structure of nitrogen is: #1 s^2 2 s^2 2 p^3#. Valence electrons are the electrons an atom have in the last level. In the nitrogen, last level is level 2, then there are 5 electrons of valence.

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