Question

an element having valency zero​

Answer 1

Answer:

Noble gases : Helium, Neon, Argon, Krypton, Xenon, Radon

Explanation:

Noble gases have zero valency since their last shell is completely filled and they are stable.

#answerwithquality #BAL

Answer 2

Answer:

Neon

Explanation:

It is a Nobel gas and its valency is zero..

atomic number of neon is 10

Electron configuration --> 2, 8

It has 8 electrons in its outermost shell i.e., L shell. Its octet is complete and no electrons can be gained or loosed.

Hence, The valency of Neon is Zero.

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