the total no. of electron in a nitrogen atom is 7.find the no. of valance electron in it
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The valence electron in nitrogen atom is 5.
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Total no.of electrons in Nitrogen=7
So,based on filling of shells 1st shell i.e K shell can have atmost 2 electrons and 2nd shell i.e L shell can have atmost 8 electrons which is based on the formula 2n^2
So it's electronic configuration would be (2,5)
Valence electron means electrons in valence shell i.e last shell.So,Nitrogen atom has 5 valence electrons.
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