Question

the noble gas which smallest atomic radius

Answer 1

Helium

Noble Gases have a very stable electronconfiguration, therefore, they have the highest amount of ionization energy within their periods. It decreases down a family because electronsfarther from the nucleus are easier to remove. Largest to Smallest: Helium (highest ionization level in the periodic table)


HOPE it helps you

Please mark as brainlist

Answer 2

The answer is Helium.. PLEASE MARK IT BRAINLIEST