Noble gas
01
惰性气体, 稀有气体
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
例子
Helium, a noble gas, is known for its low density and is often used in balloons to make them float.
氦气是一种惰性气体，以其低密度而闻名，常用于气球中使其漂浮。
Neon signs emit light when an electrical current passes through neon gas, showcasing the unique properties of noble gases.
霓虹灯标志在电流通过氖气时发光，展示了惰性气体的独特性质。
