Answer :
The noble gas that is the most abundant in the universe is Argon.
Noble gases are a group of chemical elements that share several characteristics. They are all monatomic, odorless, and colorless gases with relatively little chemical reactivity under normal conditions. Helium, neon, argon, krypton, xenon, and radioactive radon are the six types of noble gases that are found in nature.
The chemical element argon has the atomic number 18 and the symbol Ar. It is a noble gas that belongs to group 18 of the periodic table. With a 0.934% abundance, argon ranks third among all gases in the atmosphere of the planet. Because of its stable nucleus and inert characteristics non-reactive, argon is the most abundant noble gas.
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