Explain the difference between valency and valence electrons, taking Nitrogen as an example.
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Valency of nitrogen is 3 as it needs 3 more electrons to complete its octet but number of valence electrons in nitrogen is 5. Valence electron is simply the total number of electrons present in outermost shell of an atom. ... Number of valence electrons in carbon is also four as it's outermost shell contains 4 electrons.
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