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xenon    音标拼音: [z'inɑn]
n. 氙,稀有气体元素,符号Xe

氙,稀有气体元素,符号Xe

xenon
n 1: a colorless odorless inert gaseous element occurring in the
earth's atmosphere in trace amounts [synonym: {xenon}, {Xe},
{atomic number 54}]

Noble \No"ble\, a. [Compar. {Nobler}; superl. {Noblest}.] [F.
noble, fr. L. nobilis that can be or is known, well known,
famous, highborn, noble, fr. noscere to know. See {know}.]
1. Possessing eminence, elevation, dignity, etc.; above
whatever is low, mean, degrading, or dishonorable;
magnanimous; as, a noble nature or action; a noble heart.
[1913 Webster]

Statues, with winding ivy crowned, belong
To nobler poets for a nobler song. --Dryden.
[1913 Webster]

2. Grand; stately; magnificent; splendid; as, a noble
edifice.
[1913 Webster]

3. Of exalted rank; of or pertaining to the nobility;
distinguished from the masses by birth, station, or title;
highborn; as, noble blood; a noble personage.
[1913 Webster]

Note: Noble is used in the formation of self-explaining
compounds; as, noble-born, noble-hearted, noble-minded.
[1913 Webster]

{Noble gas} (Chem.), a gaseous element belonging to group
VIII of the periodic table of elements, not combining with
other elements under normal reaction conditions;
specifically, {helium}, {neon}, {argon}, {krypton},
{xenon}, or {radon}; also called {inert gas}.

{Noble metals} (Chem.), silver, gold, and platinum; -- so
called from their resistance to oxidation by air and to
dissolution by acids. Copper, mercury, aluminium,
palladium, rhodium, iridium, and osmium are sometimes
included.
[1913 Webster]

Syn: Honorable; worthy; dignified; elevated; exalted;
superior; sublime; great; eminent; illustrious;
renowned; stately; splendid; magnificent; grand;
magnanimous; generous; liberal; free.
[1913 Webster]


Xenon \Xen"on\ (z[e^]n"[o^]n; z[=e]"n[o^]n), n. [Gr. xe`non,
neut. of xe`nos strange.] (Chem.)
A very heavy, inert gaseous element of the noble gas group,
occurring in the atmosphere in the proportion of one volume
is about 20 millions. It was discovered by Ramsay and Travers
in 1898. It can be condensed to a liquid boiling at -107[deg]
C., and to a solid which melts at -111.9[deg] C. Symbol Xe
(formerly also X); atomic number 54; atomic weight 131.3.
[Webster 1913 Suppl. PJC]


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  • Xenon - Wikipedia
    Because xenon is a tracer for two parent isotopes, xenon isotope ratios in meteorites are a powerful tool for studying the formation of the Solar System The iodine–xenon method of dating gives the time elapsed between nucleosynthesis and the condensation of a solid object from the solar nebula
  • Xenon | Definition, Properties, Atomic Mass, Compounds, Facts . . .
    xenon (Xe), chemical element, a heavy and extremely rare gas of Group 18 (noble gases) of the periodic table It was the first noble gas found to form true chemical compounds More than 4 5 times heavier than air, xenon is colorless, odorless, and tasteless
  • Xenon Facts and Uses - Atomic Number 54 Element Symbol Xe
    Xenon is the chemical element with atomic number 54 and element symbol Xe The element is a noble gas, so it is inert, colorless, odorless, flavorless, and non-toxic
  • Xenon Definition, Facts, Symbol, Discovery, Properties, Uses
    When and How was it Discovered In July 1898, Morris Travers and William Ramsay while working on liquid air at the University College London, discovered xenon [1] Since they had already isolated other noble gases from the liquid air, they thought that it would contain other gases [1]
  • Xenon - Element information, properties and uses | Periodic Table
    Element Xenon (Xe), Group 18, Atomic Number 54, p-block, Mass 131 293 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
  • Xenon | Xe (Element) - PubChem
    Xenon produces a brilliant white flash of light when it is excited electrically and is widely used in strobe lights The light emitted from xenon lamps is also used to kill bacteria and to power ruby lasers
  • Xenon - StatPearls - NCBI Bookshelf
    Xenon is an element with the symbol Xe, has an atomic number 54, and belongs to group 18 of the periodic table Xe is a monoatomic, inert gas, first discovered in 1898 by British chemists William Ramsay (1852-1916) and Morris Travers (1872-1961) in the residue left after partial evaporation of liquid air (with krypton as an impurity) [1]
  • Xenon Pharmaceuticals Inc. - MarketWatch
    Xenon Pharmaceuticals Inc Xenon Pharmaceuticals, Inc is a clinical stage biopharmaceutical company It develops therapeutics to improve the lives of patients with neurological disorders
  • Periodic Table of Elements: Los Alamos National Laboratory
    From the Greek word xenon, stranger Discovered in 1898 by Ramsay and Travers in residue left after evaporating liquid air Xenon is a member of the so-called noble or "inert" gases It is present in the atmosphere to the extent of about one part in twenty million
  • Xenon - Living Periodic Table
    Xenon (symbol Xe) is a noble gas, meaning it doesn’t react with most other elements It’s colorless, odorless, and found in tiny amounts in the Earth’s atmosphere





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