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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 . . .
    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 | History, Uses, Facts, Physical Chemical Characteristics
    Xenon was discovered in 1898 and is classified as a noble gas It emits blue light when subjected to electrical discharge Most commonly, xenon is used in flash lights Some compounds of xenon are toxic due to its oxidizing property
  • 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 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: Noble Gas with Diverse Uses and Unique Chemical Properties
    Explore the fascinating world of Xenon, a noble gas with unique chemical properties and diverse applications From its discovery and physical traits to its roles in industry, medicine, and everyday life, this comprehensive guide covers it all
  • 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
  • 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 | 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 compounds - Wikipedia
    Xenon compounds are compounds containing the element xenon (Xe) After Neil Bartlett 's discovery in 1962 that xenon can form chemical compounds, a large number of xenon compounds have been discovered and described





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