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33. Helium atom has 2 electrons in its valence shell but its valency is not 2. Explain.

33. Helium atom has 2 electrons in its valence shell but its valency is not 2. Explain.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Helium atom has only two atoms in K-shell. K-shell is already complete. It can neither lose nor gain electron. So, its valency is zero.

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