how many valence electron in the He and Ne
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Valence electrons in Helium (He) are (2) as it's electronic configuration is 2. And valence electrons Neon (Ne) are 8 as it's electronic configuration is (2,8).
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navdeepsingh16091:
its 8
valance electrons are 8
being fully filled outermost shell doesnt exclude them from being valance
since valance electrons are electrons in outermost shell
for helium its 2
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As we know that Valence electron is the electron present in the outer most shell of an atom .
So ,
Helium electron configuration is:-
He=2
So, Valence electron is 2
And in Neon
Ne=2,8
Valence electron =8
So ,
Helium electron configuration is:-
He=2
So, Valence electron is 2
And in Neon
Ne=2,8
Valence electron =8
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