Question

The total number of valence electrons in a n3- ion is

Answer 1

8 electrons as one nitrogen has 5 valence electrons

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Answer 2

Answer:

The total number of valence electrons in a n3- ion is 8 electrons.

Explanation:

Valence electrons are the electrons present in outermost shell of an atom.

They are responsible for chemical properties of the atom.

Nitrogen atomic number is 7.

Electronic configuration [He]2s2 2p3

There are 5 valence electrons. 2 electrons in s orbitals and 3 electrons in p orbital.

But 3- charge is present on Nitrogen .

Add 3 in valence electrons of nitrogen to get valence electrons of n3-.

5+3=8

8 electrons is the correct option.