Neon
Neon (Ne)
Neon (pronounced: /ˈniː.ɒn/) is a chemical element with the symbol Ne and atomic number 10. It is a noble gas that is colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air.
Etymology
The term Neon is derived from the Greek word 'νέον', neuter singular form of 'νέος' (neos), meaning new. Discovered by William Ramsay and Morris Travers in 1898, Neon was, indeed, a new element on the periodic table.
Properties and Uses
Neon is a relatively rare gas that is commercially extracted from the atmosphere. In its liquid state, it is used as a cryogenic refrigerant. Neon is also used in neon lighting and lasers, and in some plasma tube and refrigeration applications.
Related Terms
- Neon Lighting: A type of lighting composed of glass tubes that have been filled with neon or other types of gas.
- Noble Gases: Any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table.
- Cryogenics: The study of the production and behavior of materials at very low temperatures.
Health Effects
Neon has no known biological role. It is non-toxic and chemically inert, so it is not harmful to human health. However, inhaling neon gas in large quantities can cause asphyxiation.
External links
- Medical encyclopedia article on Neon
- Wikipedia's article - Neon
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