Question

Write the name . The family of elements having zero valency.​

Answer 1

Answer:

Group $18$ elements have zero valency because the outermost shell of these electrons are complete and form a stable electronic configuration. ... These elements are also known as noble gases. The elements are helium, neon, argon, krypton, xenon and radon.

Answer 2

Answer:

Group 18 elements have zero valency because the outermost shell of these electrons are complete and form a stable electronic configuration. They are non reactive elements. These elements are also known as noble gases. The elements are helium, neon, argon, krypton, xenon and radon.