Science, asked by bibijanshaikh007, 3 months ago

........element has 0 valency.

Answers

Answered by jeonjk0

1

Answer:

Helium, Neon, Radon and Argon have zero valency because they have their outer shell completely filled and are chemically inert gas....

Answered by Aby5858

1

Answer:

Helium has 0 as a valency because it is noble gas and have attain it's stability

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