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xenon [Xe]
From the Greek xenos meaning stranger. Discovered in 1898 by William Ramsay & Travers
Occurrence: in air at about 0.05 ppm
Characteristics:
- heavy colorless & relatively inert gaseous element
Uses: in thyratrons & specialized flashtubes
Laboratory:
- xenon gas delivered.total volume
Related
periodic table
Specific
xenon-122
xenon-127
xenon-133
General
inert gas (noble gas, rare gas)
Properties
SIZE: AW = 131.29
atomic number
VALUE: 54
VALENCE: KR 4D10 5S2 5P6
References
- Webster's Ninth New Collegiate Dictionary, Miriam-
Webster Inc. Springfield, MA 1990
- Chemical & Engineering News, Sept 8, 2003