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Get Answers to all your Questions
Why do helium, neon and argon have a zero valency?
Answers (1)
Answer:
Noble gases have full filled octet, i.e., the subshell are completely filled. They have the general electronic configuration as .
Valency is a combining capacity of an element. As there are no free electrons in the valence shell as well as the elements are already in a stable state, so the valency of the noble gases is zero.
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