NG has various meanings in the Substance category. Discover the full forms, definitions, and usage contexts of NG in Substance.
The Noble Gases are the all of the elements in the furthest right column of the periodic table. They all have filled outer shells and are very non-reactive. A gaseous chemical element that does not readily enter into chemical combination with other elements. An inert gas. Examples are helium, argon, krypton, xenon, and radon.
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