How are neon and argon similar and different?

They are both noble gases, meaning that they do not react chemically with any other substances in the periodic table… but retain their atomic structure and remain pure. read more

Neon is a brilliant red orange color, and argon is a much dimmer lavender or light purple color. In the in the gas separation process, under which they are obtained from our atmosphere, the two gases boil off from a chilled and compressed liquid state at different pressures. read more

Helium has an outer electron shell of only 2 electrons Neon and Argon have outer shells of 8 electrons all three have filled outer shells and are unusually stable. read more

It’s the same idea between Neon and Xenon, both are noble gases, but Argon weighs more than Neon because of its additional protons, further, Argon has one more octet than Neon. read more