Question

The noble gas with the smallest atomic radius, Write the name and symbol of the element from the description

Answer 1

The examples of noble gases are- Helium, Neon, Argon, Krypton, Xenon and Radon. And, the noble gas with the smallest atomic radius, is Helium. Its symbol is He.


The atomic radius decreases from left to right because of effective nuclear charge. It generally increases from top to bottom because no. of shells increases which overcomes the effective nuclear charge that are farther away from the nucleus.

Answer 2

Answer:

helium neon argon krypton xenon and the noble gas within smallest atomic radius is heluim its symbol is He