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Noble gas
01
希ガス（きがす）, 貴ガス（きがす）
any of the elements in Group 18 of the periodic table, including helium, neon, argon, krypton, xenon, and radon, characterized by their inert nature and stable electron configurations
Example
Helium, a noble gas, is known for its low density and is often used in balloons to make them float.
Neon signs emit light when an electrical current passes through neon gas, showcasing the unique properties of noble gases.
Argon, a noble gas commonly used in welding, provides an inert atmosphere to prevent the oxidation of metals during the process.
