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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
    Xenon is a chemical element; it has symbol Xe and atomic number 54 It is a dense, colorless, odorless noble gas found in Earth's atmosphere in trace amounts [15] Although generally unreactive, it can undergo a few chemical reactions such as the formation of xenon hexafluoroplatinate, the first noble gas compound to be synthesized [16][17][18] Xenon is used in flash lamps [19] and arc lamps
  • Xenon Bot - Backups and Templates for Discord
    Use Xenon Bot to Backup, archive, copy, clone or synchronize your Discord server and take advantage of hundreds of free templates
  • Xenon | Definition, Properties, Atomic Mass, Compounds, Facts . . .
    Xenon, 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
    Xenon (pronunciation: ZEE-non) is a colorless, odorless, highly unreactive element classified as a noble gas and represented by the chemical symbol Xe [1, 2] It is denser and heavier than most of the other noble gases and can be synthesized into xenon hexafluoroplatinate, the first noble gas compound [3]
  • Xenon Pharmaceuticals Inc. | Advancing Neurology Therapies
    At Xenon, we are forging a new path for people with neurological and psychiatric conditions, beginning with our late-stage investigational candidate, azetukalner, currently in development for epilepsy and depression
  • 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 Definition Meaning - Merriam-Webster
    The meaning of XENON is a heavy colorless and relatively inert gaseous element that occurs in air as about one part in 20 million and is used especially in specialized electric lamps (such as flash tubes) and in scientific research
  • Amazon. com: Xenon
    Amazon com: xenon Check each product page for other buying options Price and other details may vary based on product size and color
  • Facts About Xenon - Live Science
    Xenon is a trace gas found in the Earth's atmosphere to the extent of about one part in 20 million, According to the Los Alamos National Laboratory This makes it very rare





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