Question

zero group elements are called noble gases give scientific reasons​

Answer 1

Answer:

Zero group elements are called noble gases because they have completely filled valence shell i.e. 8 electrons in their valence shell.

The noble gases are colorless, odorless, tasteless, and nonflammable under standard conditions. They were once labeled group 0 in the periodic table because it was believed they had a valence of zero, meaning their atoms cannot combine with those of other elements to form compounds.