Chemistry, asked by Anonymous, 8 months ago

Helium atom has two electrons in its valence shell but its valency is not two. Explain

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Answered by SanskrutiBajaj

Answer:

Helium atom with electronic configuration 1s2 has two valence electrons but since it is a noble gas, it does not form a chemical bond, its duplet is complete. Therefore, valency is zero.

Answered by RYKER009

Answer:

Helium atom with electronic configuration 1s2 has two valence electrons but since it is a noble gas, it does not form a chemical bond, its duplet is complete. Therefore, valency is zero.

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