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Get Answers to all your Questions
Helium atom has 2 electrons in its valence shell but its valency is not 2. Explain.
Answers (1)
Answer:
Helium atom has only one shell (K shell) which can have maximum 2 electrons. Helium atom has 2 electrons in its outermost shell and its duplet is complete. Hence the valency of helium atom is zero. It is called noble gas or inert gas.
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