neon

Name neon
Symbol Ne
Atomic Weight 20.1797
Atomic Number 10
CAS ID 7440-01-9
Group Number 18
Group Name Noble Gas
Period Number 2
Origin of Name Greek, neos = "new."
Year Discovered 1898
Discovery Credits Discovered by Sir William Ramsay and M. W. Travers at London, UK
Class Non-Metallic
Color Colorless
Standard State Gas at 77 F & 298 K
Description Colorless, odorless gas, obtained from liquid air. Chemically inert towards everything including fluorine gas. Used in ornamental lighting ('neon' signs) and He-Ne gas lasers.

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