Noble Gas Definition and Examples

Chemistry Glossary Definition of Noble Gas

Xenon is a colorless noble gas, but it emits a blue glow when excited by an electrical discharge.
Xenon normally is a colorless noble gas, but it emits a blue glow when excited by an electrical discharge, as seen here. pslawinski, wikipedia.org
Noble Gas Definition: Any of the elements found in Group 8 at the far right of the Periodic Table.

Examples: Helium, argon, xenon

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Helmenstine, Anne Marie, Ph.D. "Noble Gas Definition and Examples." ThoughtCo, Mar. 7, 2017, thoughtco.com/definition-of-noble-gas-and-examples-604579. Helmenstine, Anne Marie, Ph.D. (2017, March 7). Noble Gas Definition and Examples. Retrieved from https://www.thoughtco.com/definition-of-noble-gas-and-examples-604579 Helmenstine, Anne Marie, Ph.D. "Noble Gas Definition and Examples." ThoughtCo. https://www.thoughtco.com/definition-of-noble-gas-and-examples-604579 (accessed May 25, 2018).