Question

why the valency of hydrogen ,neon &argon is zero ?what is nobel gas ???​

Answer 1

Explanation:

VALENCY OF NEON IS 0

NOBLE GAS IS HELIUM AND NEON

PLEASE MARK AS BRAINLIST HEARTILY AND THANKSGIVING ALSO

Answer 2

Explanation :

Basically if an element has 8 electrons in its valence shell or 2 electrons in its only shell like helium it does not require anymore electron as its shell is already completed and hence it neithet loses nor gain electrons.

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$hope \: it \: helps$