Versus looking at, for example, helium or neon or argon, these are all inert gases, inert meaning essentially do not react, those were grouped together in the periodic table.

相反，他发现氦，氖，氩，都是惰性气体，惰性的意思是基本不参与化学反应，因此把它们放在周期表中的同一类里。

youdao

Noble gas (or inert gas) : Any of the six chemical elements that make up the rightmost group of the periodic table as usually arranged: helium, neon, argon, krypton, xenon, and radon.

稀有气体(亦称惰性气体)：通常排列在周期律中最右边一族的六种化学元素：氦、氖、氩、氪、氙和氡。

youdao

Noble gas (or inert gas) : Any of the six chemical elements that make up the rightmost group of the periodic table as usually arranged: helium, neon, argon, krypton, xenon, and radon.

稀有气体(亦称惰性气体)：通常排列在周期律中最右边一族的六种化学元素：氦、氖、氩、氪、氙和氡。

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