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Helium valency ce and cy |
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Answer» Hey, Helium has 0 valency because the electron is 2 for helium and the outer most shell is fully filled. that is K shell CONTAIN 2 , so the valency is 0 for helium and it is known as NOBLE gases or inert gases . its has extremely low reactive . If it helps please mark as BRAINLIEST! ~Azzyland |
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