Science, asked by kaushik1754, 8 months ago

why helium has 0 valency ?​

Answers

Answered by urvashisantosh
1

Answer:

He has two electrons in its s orbital and one orbital can accomodate only two electrons so its duplet is complete and has no tendency to gain or lose electrons so its valency is zero.

Answered by ayushmansinha44
0

Answer:

Answer

Explanation:

Because the valence shell fills completely in the case of helium and it does not need to react with any element to become stable

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